Definition
PRD (Product Requirements Document)
A PRD (product requirements document) defines what a product or feature should do and why, before it is built. It captures the problem, the target users, the goals and success metrics, the scope, and the requirements — giving design, engineering, and stakeholders one shared reference so everyone builds toward the same outcome rather than their own interpretation.
Key takeaways
- A PRD (product requirements document) defines what a product or feature should do and why, before it's built.
- It captures the problem, target users, goals and success metrics, scope, and explicit non-goals — the things deliberately out of scope.
- Modern PRDs are lean and living, updated as decisions are made, not hundred-page specs frozen at kickoff.
- A clear PRD is also ideal context for an AI agent to draft issues or propose an approach, so writing it crisply pays off twice.
A PRD answers 'what are we building and why' at the altitude of a feature or product area. A strong one opens with the problem and the user it affects, states the goals and how success will be measured, then lays out requirements and explicit non-goals — the things deliberately out of scope. The non-goals are often the most useful part: naming what you are not doing prevents the scope creep that quietly sinks projects.
Modern PRDs are lean and living, not the hundred-page specifications of an earlier era. The point is shared understanding, not exhaustive prescription: enough detail that engineering and design can make good decisions, with the document updated as those decisions are made. A PRD frozen at kickoff and never touched again becomes fiction the moment reality diverges from it.
PRDs increasingly serve a second audience: AI agents. A clear, structured PRD is exactly the context an AI coding or planning agent needs to draft issues, propose an approach, or scaffold work — which is why the discipline of writing the problem and requirements down crisply now pays off in both human and machine throughput.
In Planoda, a PRD can live as a document linked to the project and issues it spawns, so the requirements, the work breakdown, and live progress against them stay connected instead of drifting apart in separate tools.
Related terms
- User StoryA user story is a short, plain-language description of a feature told from the user's perspective, classically in the form 'As a [role], I want [capability], so that [benefit].' It captures who needs something and why, deliberately leaving the how to the team. Stories keep work framed around user value rather than technical tasks.
- Acceptance CriteriaAcceptance criteria are the specific, testable conditions a work item must satisfy to be considered complete and correct. Written before work starts, they define the boundaries of a feature — what it must do, and how you'll know it works — turning a vague request into a checklist everyone agrees on, so 'done' is verifiable rather than a matter of opinion.
- ProjectA project is a bounded body of work with a defined goal, scope, and usually an end date — a feature launch, a migration, a redesign. It groups the related issues that deliver that outcome, sitting above individual issues and below strategic initiatives in the planning hierarchy, so a team can track one cohesive effort as a unit.
- RoadmapA roadmap is a high-level, time-oriented view of what a team or product plans to build and roughly when. It communicates direction and sequencing across initiatives and projects, aligning stakeholders on priorities. Unlike a backlog of granular tasks, a roadmap operates at the altitude of themes, outcomes, and quarters rather than individual issues.