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Meetings & Communicationnoun · /koʊd ˈwɔːkθruː/

code walkthrough

code walkthrough — A structured meeting where a developer explains their code line-by-line to team members to help them understand how it works or to identify potential issues before deployment.

In simple English

A code walkthrough is a collaborative discussion session where the code author guides colleagues through the implementation, explaining the logic, design decisions, and potential problem areas. Unlike a code review, which focuses on critical evaluation and approval, a walkthrough emphasizes understanding and learning. It is commonly used before code reviews, before merging to main branches, or when onboarding new team members to a codebase. The presenter walks through the code files, functions, and logic sequentially, answering questions and discussing edge cases or potential improvements as the team follows along.

What is a code walkthrough and how is it different from a code review in software development?

At a glanceCEFR B2
Commonness4/5
Versatility4/5
FormalityCasualFormalNeutral
Spoken ↔ WrittenSpokenWrittenBoth
Directness ↔ DiplomaticDirectDiplomaticDirect
RegionUS and UK

Say it like this

  • Let me walk you through this code
  • Can you do a quick code walkthrough for the team?
  • We should schedule a code walkthrough before merging

Use it at work

Setting it up

  • Can I do a code walkthrough of the new sync engine on Friday?
  • Let's do a code walkthrough before the review. It's a big change.

In the session

  • I'll start with the entry point and follow one request.
  • Stop me if anything's unclear.

Onboarding

  • A code walkthrough is the fastest way to learn this repo.
  • I recorded the code walkthrough for new joiners.

Don't say this

✕Can you code walkthrough this file?
✓Can you conduct/do a code walkthrough of this file?

Code walkthrough is a noun (a meeting or session), not a verb. Use 'conduct,' 'do,' or 'give' with it.

Don't mix it up

How code walkthrough differs from similar terms
TermWhat it isWho writes or uses itWhen
code walkthroughAuthor explains code liveAuthor, for the teamBig changes, onboarding
code reviewReviewers check code before mergeReviewersEvery PR

Practice

Try it

4 quick exercises

Pick the most natural phrasing

1. You just finished a complex feature. What do you say to your team lead?

Complete the sentence

2. We should _______ a code walkthrough with the backend team before we ship this database migration.

Spot the mistake

3. Which sentence uses 'code walkthrough' incorrectly?

Rewrite naturally

4. Rewrite this sentence using 'code walkthrough': 'I want to explain my code to the team before we check if it is good enough.'

Say it out loud

Phrase 1 of 3

"Let me walk you through this code"

We don't save your recording. The word check uses your browser's speech recognition.

More about code walkthrough

Real examples(3)

  • in a standup

    "I completed the authentication feature. Should we schedule a code walkthrough with the team before code review?"

  • in an email

    "I have prepared a code walkthrough for the new API endpoint. Please join the meeting at 2 PM to discuss the implementation."

  • in a pull request

    "This is a complex refactoring. I recommend a code walkthrough before merging to ensure everyone understands the changes."

More mistakes(2)

Handle with care. Do not confuse with code review. A walkthrough is a presentation/explanation; a review is a critical examination. Also avoid using as a verb without 'do' or 'conduct' — say 'conduct a code walkthrough,' not 'code walkthrough this.'

  • ✕A code walkthrough is the same as a code review.
    ✓A code walkthrough explains the code; a code review evaluates and approves it.

    These are different processes with different goals. A walkthrough is educational; a review is critical and formal.

  • ✕We need to code walkthrough before the sprint ends.
    ✓We need to conduct a code walkthrough before the sprint ends.

    Always use a verb like 'conduct,' 'do,' 'have,' or 'schedule' with the noun form.

Other forms(3)

  • code walkthrough noun

    "The code walkthrough revealed a critical bug in the database query."

  • conduct/do/schedule a code walkthrough phrase

    "We should schedule a code walkthrough for tomorrow afternoon."

  • code-walkthrough session adjective

    "The code-walkthrough session lasted about 45 minutes."

Often used with(5)

  • conduct a code walkthrough · The most common formal way to use this phrase in professional meetings
  • schedule a code walkthrough · Used when planning or arranging a walkthrough meeting
  • code walkthrough meeting · Refers to the actual gathering or session where the walkthrough occurs
  • code walkthrough session · Alternative to 'meeting,' emphasizing the interactive nature
  • before code review · Common pairing; walkthroughs often precede formal reviews

Similar words(4)

  • code review · Similar but more formal and critical; reviews focus on approval and quality gates
  • code presentation · Broader term; walkthrough emphasizes step-by-step explanation
  • code explanation · More informal; walkthrough implies a structured, meeting-based activity
  • pair programming session · Both involve code discussion, but pair programming is real-time collaborative coding

Opposites(2)

  • silent code review
  • asynchronous review

Questions(5)

What is the difference between a code walkthrough and a code review?
A code walkthrough is an educational meeting where the developer explains their code to help the team understand it. A code review is a more formal, critical evaluation where reviewers check for bugs, adherence to standards, and approve or request changes before merging. Walkthroughs often happen before reviews.
How long does a typical code walkthrough take?
A code walkthrough typically takes 30 minutes to an hour, depending on code complexity. Simple features might need 15–20 minutes, while large refactorings can take 90 minutes or more.
Who should attend a code walkthrough?
Team members who will work with the code, including developers, code reviewers, QA engineers, and sometimes tech leads. For critical features, you might invite the whole team.
Is a code walkthrough required before every pull request?
Not always. Walkthroughs are most useful for complex, high-risk, or large changes. Simple bug fixes or small refactorings may skip walkthroughs and go straight to asynchronous code review.
Can a code walkthrough be done asynchronously?
Walkthroughs are traditionally synchronous meetings, but teams sometimes record them or use detailed written explanations with code comments as asynchronous alternatives.
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