# Deadline

> YogoQ Core AI-readable term handoff. Preview, read-only, Reviewed/Verified only.

- Canonical URL: https://core.yogoq.com/en-US/core/deadline
- Locale: en-US
- Quality: reviewed
- Publication status: published_reviewed
- Schema version: core-reviewed-term-ai-handoff-v1
- Trust policy: core-trust-policy-v1-2026-06-22

## Short Definition

A deadline is the agreed date by which a deliverable must be completed.

## 一言でいうと

A deadline is the agreed date by which a deliverable must be completed.

## 意味

In projects, a deadline is the committed date for completion or submission of a deliverable and drives scheduling and prioritization.It links objectives, scope, resources, and time, serving as a baseline for alignment and change control.

## 役立つ場面

Clear scope and objectives align priorities and reduce rework in decisions. Visible dependencies make schedule adjustments and resource trade-offs faster. Change and risk impacts can be assessed early, improving alignment.

- Clear scope and objectives align priorities and reduce rework in decisions.
- Visible dependencies make schedule adjustments and resource trade-offs faster.
- Change and risk impacts can be assessed early, improving alignment.

## 使い方のポイント

- Define deliverables and acceptance criteria to prevent scope drift.
- Record assumptions, constraints, and exclusions for shared expectations.
- Link dependencies to owners and dates to ease coordination.
- Review progress against the baseline, not just activity.
- Log changes with reasons and impacts to maintain transparency.

## よくある誤解 / 落とし穴

- Plans are not immutable; controlled changes are expected.
- More detail is not always better if it raises maintenance cost.
- Documentation alone does not deliver results without execution.

## 最小例

Example: Set design and code-freeze dates by working backward from the April 30 launch deadline.When change requests arise, assess impact and renegotiate priorities with stakeholders.Review progress weekly and agree on mitigation if delays appear.Document major changes and approvals for traceability.

## 似ている言葉との違い

Compare Deadline with adjacent concepts before deciding. Deadline | Current concept | Use when the team needs the primary decision lens Adjacent metric or framework | Supporting lens | Use when the team needs evidence or process detail General vocabulary | Broad explanation | Use only for orientation, not final decision-making

- Deadline | Current concept | Use when the team needs the primary decision lens
- Adjacent metric or framework | Supporting lens | Use when the team needs evidence or process detail
- General vocabulary | Broad explanation | Use only for orientation, not final decision-making

## FAQ

### When should I use Deadline?

Use it when the team needs to decide scope, priority, owner, or trade-off, not when it only needs a short definition.

### What makes Deadline useful in practice?

It becomes useful when it is tied to evidence, a decision owner, and a concrete next operating choice.

### What should I avoid?

Avoid using the term as a label without clarifying assumptions, boundaries, and how success will be judged.

## Sources

- Project Management (Open Textbook Library) - https://open.umn.edu/opentextbooks/textbooks/project-management
- Principles of Marketing (Open Textbook Library) - https://open.umn.edu/opentextbooks/textbooks/principles-of-marketing
- Principles of Management (OpenStax) - https://openstax.org/details/books/principles-management

## Limitations

This page is reference information for research and learning. For accounting, legal, finance, health, security, or other individual decisions, confirm against primary sources or qualified professionals.

- Public pages support general understanding and practical context; they are not professional advice for individual cases.
- Fast-changing information such as regulations, accounting standards, prices, product specs, and legal requirements should be checked against primary sources before final decisions.
- Even when AI-assisted drafting or audit is used, publication relies on quality gates and human-readable evidence.