Speak and Write Language Series
Unit I — 정확성, 문체, 그리고 매개 (Precision, Style, and Mediation) · Chapter 3 of 20
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간결함, 확장, 그리고 밀도Concision, Expansion, and Density

Continuing Volume V · Speak and Write Korean: Mastery, Precision, Rhetoric, and Specialized Expression

Chapter Objectives

By the end of this chapter, you will be able to:

  1. Compress a sentence into a denser nominalized form appropriate to formal written registers, without losing its original meaning.
  2. Expand a compressed or clipped sentence into a fuller, more explicit form appropriate to spoken explanation or careful writing.
  3. Choose between a compressed and an expanded version of the same content according to genre, audience, and purpose.
  4. Control rhetorical pacing across a passage by varying sentence length and density for emphasis, transition, and closure.
  5. Identify nominalized structures in an authentic-style formal text and restate their meaning in fuller, plainer sentences.
  6. Revise a piece of your own writing by tightening some sentences and expanding others for a more deliberate rhetorical effect.

This chapter continues Unit I: 정확성, 문체, 그리고 매개 (Precision, Style, and Mediation). It builds on Chapter 2's argument architecture and introduces no new endings, particles, or predicate systems beyond nominalization patterns already active from Volume IV. Its new material is stylistic control: when to compress and when to expand already-known Korean for rhetorical effect.

Opening Scenario

수아는 지난 챕터에서 완성한 다섯 단계 논증을 팀 보고서에 다시 쓰려고 한다. 팀장은 초고를 읽고 이렇게 말한다: "내용은 좋은데 문장이 너무 길고 늘어져요. 보고서에서는 더 간결하고 명사형으로 압축된 문장이 필요해요. 반면에 발표할 때는 지금처럼 풀어서 설명하는 게 오히려 듣는 사람에게 더 잘 전달될 수 있어요." 수아는 같은 내용을 문서용으로는 압축하고, 발표용으로는 풀어 쓰는 두 가지 버전을 만들어 보기로 한다.

  1. You will study a model exchange in which a writer compresses a spoken explanation into a written, nominalized form.
  2. You will read two versions of the same short report — one compressed, one expanded — and compare their structure and effect.
  3. You will listen to a dense written passage read aloud and identify where a listener would need it expanded to follow easily.
  4. You will revise a piece of your own writing, compressing some sentences and expanding others for deliberate rhetorical pacing.
  5. You will present the same content twice, in Korean — once in compressed written style and once in expanded spoken style.
핵심 어휘 — Core Vocabulary

Core Vocabulary

This chapter's productive vocabulary centers on describing texture and pacing in prose: naming the moves a writer makes when tightening or loosening a sentence. All grammar needed to use these items is already active; the new material is the vocabulary of stylistic density itself and the discourse-level judgment that governs when to apply it.

KoreanCategoryMeaningRegister / Note
간결하다descriptive verbto be concise, to be terseformal, stylistic evaluation
압축하다action verbto compress, to condenseformal, editorial term
풀어 쓰다verb phraseto write out in full, to unpack (a compressed idea)formal collocation
늘어지다action verbto drag on, to become slack (of a sentence or passage)formal, critical usage
명사화nounnominalizationformal, academic/editorial term
밀도noundensity (of information or style)formal, academic/editorial term
군더더기nounexcess wording, unnecessary paddingformal, critical usage
덜어내다action verbto trim away, to remove (excess)formal, editorial collocation
보완하다action verbto supplement, to fill out (a thin explanation)formal
호흡nounpacing, rhythm (of prose or speech)formal, rhetorical/stylistic term
문장 구조noun phrasesentence structureneutral to formal
가독성nounreadabilityformal, editorial term
함축적adjectival nounimplicit, connotative (of compressed meaning)formal, academic
전달력nouncommunicative force, clarity of deliveryformal, evaluative
단문nounshort sentenceformal, editorial term
복문nouncomplex/compound sentenceformal, editorial term

Discourse-function expressions — 문체 조정 표현. These fixed and semi-fixed expressions mark specific stylistic moves related to compression and expansion. Learners already control the grammar inside them; the task here is recognizing and deploying the function each one performs.

FunctionKorean expressionNote
naming a compression move~을/를 명사형으로 압축하면introduces a nominalized restatement
naming an expansion move이를 풀어서 설명하면introduces an unpacked, fuller restatement
flagging excess군더더기를 덜어내면signals trimming unnecessary wording
flagging thinness설명을 좀 더 보완할 필요가 있다signals that a passage needs fuller support
contrasting genre expectations문서에서는 ~는 편이 낫지만, 발표에서는 ~는 편이 낫다frames a genre-based stylistic choice
evaluating pacing문장의 호흡이 너무 길어서/짧아서evaluates rhythm, not just grammar
closing a stylistic revision이렇게 다듬으면 가독성이 높아진다closes a revision explanation

These expressions are reusable frames, not a closed list. The grammar and writing sections below practice applying them to real sentence pairs rather than memorizing each one in isolation.

발음과 억양 — Pronunciation Focus

Pronunciation and Delivery Focus: Pacing Dense and Loose Sentences Aloud

Compressed, nominalized sentences and expanded, explanatory sentences are delivered differently aloud. This chapter introduces no new phonology; it reviews how experienced speakers slow down and add internal pauses when reading dense, nominalized writing aloud, and how they use a faster, more connected rhythm for looser, expanded explanation.

Pronunciation Note — Reading dense prose aloud

A heavily nominalized sentence packs several ideas into a single noun phrase, so a reader who wants to be understood aloud typically adds a short internal pause after each major noun phrase rather than reading straight through at a uniform pace. An expanded, explanatory sentence, by contrast, is usually read with fewer internal pauses and a more even, connected rhythm, since the ideas are already spread across separate clauses.

Practice: read the following compressed sentence aloud, pausing briefly after each bracketed noun phrase, and then read its expanded version aloud at a more even pace, noticing how differently the two versions feel to deliver.

  • [통근 시간 감소로 인한] [피로도 완화]가 [생산성 향상]으로 이어진다.The fatigue relief resulting from reduced commuting time leads to increased productivity.
  • 통근 시간이 줄어들면 피로가 줄어들고, 그 결과 생산성이 높아진다.If commuting time decreases, fatigue decreases, and as a result, productivity increases.
압축과 확장 — Compression and Expansion Architecture

Compression and Expansion: Nominalization, Density, and Rhetorical Pacing

This chapter's principal system is stylistic control over sentence density rather than new sentence-level grammar. The nominalizing patterns below are already active from Volume IV; what is new is using them deliberately to compress or expand the same content, and pacing a passage by alternating dense and loose sentences for effect.

1. Compressing a clause into a nominalized noun phrase

A clause built on an action or descriptive verb can be compressed into a noun phrase using already-active nominalizers such as -음/-기 and derived nouns such as 완화, 향상, and 감소. This packs a full proposition into a single noun phrase that can then serve as a subject or object of a further sentence.

  • 통근 시간이 줄어들면 피로가 줄어든다. → 통근 시간 감소로 인한 피로도 완화If commuting time decreases, fatigue decreases. → the fatigue relief resulting from reduced commuting time

2. Expanding a nominalized phrase back into full clauses

The reverse move restores a dense noun phrase to full clauses with subjects, connectors, and predicates, making the underlying causal or logical relationship explicit rather than implicit in the noun phrase itself.

  • 통근 시간 감소로 인한 피로도 완화가 생산성 향상으로 이어진다. → 통근 시간이 줄어들면 피로가 줄어들고, 그 결과 생산성이 높아진다.The fatigue relief resulting from reduced commuting time leads to increased productivity. → If commuting time decreases, fatigue decreases, and as a result, productivity increases.

3. Trimming excess wording without losing meaning

Concision also means removing redundant modifiers, repeated subjects, and filler connectors that do not add information, using already-active omission and ellipsis patterns.

  • 저는 개인적으로 제 생각에는 이 정책이 좀 문제가 있다고 봅니다. → 이 정책에는 문제가 있다고 봅니다.Personally, in my own opinion, I think this policy has a bit of a problem. → I think this policy has a problem.

4. Expanding a thin claim with supporting elaboration

Expansion is not padding: it adds genuine supporting detail, using already-active connectors such as -기 때문에 and -(으)므로, so that a compressed claim becomes fully supported for a reader or listener who needs more context.

  • 재택근무는 효과적이다. → 재택근무는 통근 시간을 줄여 주고 피로도를 낮춰 주기 때문에 효과적이다.Remote work is effective. → Remote work is effective because it reduces commuting time and lowers fatigue.

5. Pacing a passage by alternating density

A skilled writer varies sentence density deliberately: a short, plain sentence after a dense, nominalized one can provide emphasis or a moment of rest for the reader, while a dense sentence after several plain ones can signal a formal summary or a turning point.

  • 통근 시간 감소로 인한 피로도 완화는 업무 몰입도 향상으로 이어진다. 결국 사람들은 더 잘 일한다.The fatigue relief resulting from reduced commuting time leads to improved work engagement. In the end, people work better.
Building Block
[동사/형용사 절] ↔ [명사구 압축형] : 압축 = 명사화 + 군더더기 제거 / 확장 = 절 복원 + 근거 보완
A reusable compression-expansion pair: compression nominalizes a clause and trims redundant wording; expansion restores full clauses and adds supporting elaboration. The two directions describe the same underlying content at different densities.
통근 시간 감소로 인한 피로도 완화 ↔ 통근 시간이 줄어들면 피로가 줄어든다
the fatigue relief resulting from reduced commuting time ↔ if commuting time decreases, fatigue decreases
Grammar Note — Structure, not new endings

Every nominalizer, connector, and structure in this chapter's examples — -음/-기 nominalization, derived nouns such as 완화 and 향상, and connectors such as -기 때문에 — is already active from earlier volumes. The new skill is choosing, sentence by sentence, whether to compress toward a dense noun phrase or expand toward a full explanatory clause, and pacing a passage by alternating the two.

본보기 대화 — Model Exchange

Model Exchange: Compressing a Spoken Explanation into Written Style

수아가 발표에서 설명한 내용을 팀장이 문서용으로 압축하도록 조언하는 장면 (교육용 예시)

수아 통근 시간이 줄어들면 피로가 줄어들고, 그 결과 생산성이 높아진다고 설명했습니다.I explained that if commuting time decreases, fatigue decreases, and as a result, productivity increases.
팀장 보고서에서는 그 내용을 명사형으로 압축하면 더 간결해질 것 같아요.In the report, I think that content would become more concise if you compress it into a nominalized form.
수아 그러면 "통근 시간 감소로 인한 피로도 완화가 생산성 향상으로 이어진다"로 쓰면 될까요?Then would it work to write, "The fatigue relief resulting from reduced commuting time leads to increased productivity"?
팀장 네, 좋습니다. 다만 발표할 때는 지금처럼 풀어서 설명하는 편이 청중에게 더 잘 전달될 거예요.Yes, that's good. But when you present it, explaining it out in full, as you did just now, will likely come across better to the audience.

분석 — Analysis: Identify which sentence is compressed and which is expanded, and explain what specific information the compressed version leaves implicit that the expanded version states directly.

읽기 연습 — Reading: Two Versions of a Report

Reading: Two Versions of the Same Short Report

Read the following two short passages, written for this course as general-purpose instructional material. Both describe the same content at different densities.

보고서용 압축형 (교육용 예시)

통근 시간 감소로 인한 피로도 완화와 업무 몰입도 향상은 결국 조직 전체의 생산성 증가로 이어진다. 다만 협업 중심 직무에서는 대면 근무의 효율성 유지가 여전히 중요하다.

발표용 확장형 (교육용 예시)

통근 시간이 줄어들면 피로가 줄어들고, 업무에 더 몰입할 수 있게 됩니다. 그리고 그렇게 되면 결국 조직 전체의 생산성이 높아집니다. 다만 협업이 많은 직무에서는 여전히 대면으로 일하는 것이 효율적이라는 점을 잊지 말아야 합니다.

분석 과제 — Analysis task:

  1. Find the nominalized noun phrase in the compressed version that corresponds to the first two clauses of the expanded version.
  2. Identify which connector in the expanded version makes explicit a relationship that is only implicit in the compressed version.
  3. Count the sentences in each version. What effect does the shorter sentence count have on the compressed version's tone?
  4. Which version would you use in a written report submitted to a supervisor, and which in a live presentation? Justify your choice using this chapter's vocabulary.
  5. Rewrite the final sentence of the compressed version in an even more compressed form, trimming any remaining wording you consider excess.
듣기 연습 — Listening Practice

Listening Practice

Ask your instructor, a language partner, or a text-to-speech tool to read the following two short passages aloud. Listen for how pacing and pausing differ between the dense and the expanded version.

한 발표자가 같은 내용을 압축형과 확장형으로 각각 설명하는 장면 (교육용 예시)

발표자 자원 배분의 비효율성 개선은 전체 예산 절감으로 이어질 수 있습니다.Improving the inefficiency of resource allocation could lead to overall budget savings.
발표자 지금 자원을 배분하는 방식이 비효율적인데, 이걸 개선하면 예산 전체를 절감할 수 있습니다.The way resources are currently allocated is inefficient, and if we improve this, we can save on the overall budget.

듣기 과제 — Listening task: Listen and answer in English.

질문답
Which version uses a nominalized subject, and which restores it to a full clause with an explicit subject?______
Which version would likely be easier to follow on first listening, without a written transcript? Why?______
말하기 연습 — Speaking Practice

Speaking Practice

1단계 — 짝 활동 — Compress and expand relay

With a partner, take turns. One person states a claim in expanded, spoken style with full clauses; the other restates it compressed into a single nominalized noun phrase, using ~을/를 명사형으로 압축하면. Then reverse roles using a different claim.

2단계 — 청중 맞추기 — Matching density to audience

Choose one claim from Chapter 2's argument practice. Present it twice aloud: once as if writing a formal report (compressed, nominalized), and once as if explaining it to a friend who has never heard of the topic (expanded, fully explicit). Discuss aloud, in Korean, which version suits which audience and why.

혼자 하는 연습 — Solo alternative

Record yourself presenting a short passage twice: once in compressed written style and once in expanded spoken style. Listen back and note where your pacing and pausing differed between the two versions.

쓰기 워크숍 — Writing Workshop

Writing Workshop: Revising for Density and Pacing

Take the five-part argument paragraph you wrote in Chapter 2, or write a new short argumentative paragraph (5–7 sentences), and revise it deliberately for density and pacing.

  • 압축할 문장 고르기. Choose one or two sentences that would read more effectively in a formal document if compressed into a nominalized form.
  • 명사화하기. Rewrite those sentences using nominalization, trimming redundant wording as you go.
  • 확장할 문장 고르기. Choose one sentence that a reader unfamiliar with the topic would need expanded with more explicit support.
  • 풀어서 설명하기. Rewrite that sentence with full clauses and an added connector such as -기 때문에 to make the reasoning explicit.
  • 호흡 조정하기. Read the revised paragraph aloud and adjust so that at least one short, plain sentence follows a dense, nominalized one for emphasis.
  • Unrevised draft (uniform density) 저는 개인적으로 제 생각에는 온라인 수업이 시간을 아낄 수 있어서 좋다고 생각합니다. 그리고 반복 학습도 쉬워서 좋습니다.
    Revised for density and pacing (Ch. 3 style) 온라인 수업 확대는 이동 시간 절약과 반복 학습의 용이성을 가져온다. 결국 학습자는 시간을 더 효율적으로 쓸 수 있게 된다.

    체크리스트 — Checklist:

    • At least one sentence is compressed into a nominalized form appropriate to formal writing.
    • At least one sentence is expanded with an explicit connector to support a reader who needs more context.
    • Redundant wording, such as repeated first-person framing, has been trimmed where it added no information.
    • The paragraph includes at least one short, plain sentence following a denser one for rhetorical effect.
    • The compressed and expanded versions communicate the same underlying meaning.
    • Register remains consistently formal throughout; no unmarked mixing with everyday register.
    • Spacing, particles, and Hangeul spelling are accurate, with no romanization.

    Culture and Communication

    Culture in Context — Density as a marker of genre, not formality alone

    In South Korean professional and academic settings, a heavily nominalized, compressed style is closely associated with written reports, official documents, and academic abstracts, while a more expanded, connective style is expected in spoken presentations and explanations aimed at a general audience. Choosing the wrong density for a genre — for example, submitting a report written in loose, spoken-style sentences, or presenting orally in dense, nominalized prose — can make a text or talk seem underprepared even when its content is sound.

    Regional and Generational Note — Tolerance for density varies by field

    Some professional and academic fields favor very dense, nominalized writing as a marker of expertise, while others, including many public-facing and journalistic contexts, actively favor plainer, more expanded sentences for accessibility. Learners should observe the conventions of any specific field or publication rather than assuming maximal density is always the more prestigious choice.

    Common Mistakes to Avoid

    Common Mistake — Compressing until meaning is lost

    Error: Nominalizing a clause so heavily that the relationship between its parts, such as cause and result, becomes ambiguous or disappears entirely.

    Correction: Compress wording and redundant framing, but keep the logical relationship between ideas recoverable, using a connecting noun such as ~로 인한 or ~에 따른 when a causal link must remain visible.

    Common Mistake — Using compressed written style in live speech

    Error: Reading a heavily nominalized, report-style sentence aloud in a presentation without adjusting it, leaving listeners unable to follow the packed noun phrases in real time.

    Correction: Expand nominalized report language into fuller spoken clauses before presenting it aloud, reserving the compressed form for the written document itself.

    Common Mistake — Expanding until a passage becomes padded

    Error: Adding connectors, restatements, or qualifying phrases that repeat the same point without adding new supporting information, producing 군더더기 rather than genuine elaboration.

    Correction: Expand only where a reader or listener genuinely needs more support, and remove any added sentence that does not introduce new information.

    Chapter Review

    Section A — 어휘 (Vocabulary)

    1. For each discourse-function expression in this chapter, write one original sentence that uses it correctly in context.

    Section B — 읽기 (Reading)

    1. Complete the five analysis questions from the reading section above.

    Section C — 듣기 (Listening)

    1. Complete the listening task questions above.

    Section D — 쓰기 (Writing)

    1. Complete the density-and-pacing revision task and checklist.

    Section E — 말하기 (Speaking)

    1. Complete the compress-and-expand relay and the audience-matching task, either with a partner or using the solo alternative.

    누적 복습 — Cumulative review

    This chapter recycles the five-part argument structure from Chapter 2, nominalization patterns from Volume IV, formal connective endings, and evidential hedging language, applying them together to a new stylistic task: controlling density and pacing rather than argument shape alone.

    Practical Performance Task

    수행 과제 — Chapter 3 Performance Task

    같은 내용, 두 가지 밀도 — Same Content, Two Densities

    Take the argumentative paragraph you wrote in Chapter 2's performance task, or a similar short paragraph on a familiar issue. Produce two versions: a compressed, nominalized written version suitable for a formal report, and an expanded, fully explicit spoken version suitable for a live presentation. Then deliver the spoken version aloud, either to a partner or recorded, and be prepared to explain your density choices.

    • Writing: Submit both the compressed and the expanded versions of the paragraph.
    • Analysis: Submit a short list (3–5 items) identifying which sentences were compressed, which were expanded, and why.
    • Speaking: Deliver the expanded spoken version aloud and explain your density choices when asked.
    CriterionWhat is evaluated
    Compression accuracyThe compressed version is genuinely denser while preserving the original meaning
    Expansion qualityThe expanded version adds genuine explicit support rather than empty padding
    Genre appropriatenessEach version's density matches its intended genre (report versus presentation)
    Rhetorical pacingAt least one deliberate density contrast is used for emphasis or transition
    Meaning preservationThe two versions communicate the same underlying content
    Oral deliveryThe spoken version is paced and paused appropriately for a listening audience
    Hangeul and spacing accuracyAccurate spelling and level-appropriate spacing throughout, no romanization
    Scope disciplineNo structures used productively beyond what is active through Volume V, Chapter 3

    Answer Key

    Reading analysis

    1. Sample response: 통근 시간 감소로 인한 피로도 완화와 업무 몰입도 향상 corresponds to the first two clauses of the expanded version, which state the same content as separate sentences.
    2. Sample response: The connector 그리고 그렇게 되면 in the expanded version makes explicit the causal chain that the compressed noun phrase only implies.
    3. Sample response: The compressed version uses two sentences, giving it a terser, more formal tone; the expanded version uses more, shorter sentences, giving it a more conversational, explanatory tone.
    4. Sample response: The compressed version suits a written report submitted to a supervisor; the expanded version suits a live presentation to a general audience, since it makes each step explicit for a listener.
    5. Sample response: 협업 중심 직무는 대면 근무 효율성 유지가 중요하다. trims the phrase 다만 ~ 여전히 while keeping the core claim intact.

    Listening comprehension

    • Sample response: The first version uses the nominalized subject 자원 배분의 비효율성 개선; the second restores it to a full clause with the explicit subject 지금 자원을 배분하는 방식.
    • Sample response: The second, expanded version is likely easier to follow on first listening, since it spreads the same content across separate clauses with an explicit subject and connector rather than packing it into a single dense noun phrase.

    Section D — Sample density-and-pacing revision

    저는 개인적으로 제 생각에는 온라인 수업이 시간을 아낄 수 있어서 좋다고 생각합니다. 그리고 반복 학습도 쉬워서 좋습니다.

    온라인 수업 확대는 이동 시간 절약과 반복 학습의 용이성을 가져온다. 결국 학습자는 시간을 더 효율적으로 쓸 수 있게 된다.

    Section E — Sample audience-matching discussion

    Sample response: The compressed, nominalized version suits a report because a reader can scan it quickly and dense noun phrases are expected in that genre. The expanded, spoken version suits a presentation because a listener cannot pause to reread a packed noun phrase and needs the reasoning spelled out across clauses in real time.

    Looking Ahead

    지금 할 수 있는 것 — What you can do now

    You can compress a clause into a nominalized noun phrase for formal writing, expand a compressed claim into fuller explanatory clauses for spoken delivery, trim excess wording without losing meaning, add genuine supporting elaboration where it is needed, and pace a passage by deliberately alternating dense and loose sentences.

    4장매개와 번역, 의미 전달

    Chapter 4, Mediation and Translation, builds on this chapter's density control by developing functional translation, paraphrase, register transfer, and summary — the skills for carrying meaning accurately between Korean and English, and between different registers within Korean itself.