Definition
Documentation is an organised body of documents and records that preserves actions, Decisions, fulfilment of Requirements and achieved results.
Human Explanation
It allows another person to reconstruct what was done, why it was done and what Evidence supported it.
Why it Matters
Complete and proportionate Documentation supports Compliance, Accountability, continuity and later verification.
Conceptual Boundary
Documentation is not paperwork created only for formality and does not itself prove that a process was effective or compliant.
Practical Perspective
Its scope should reflect the Decision, Risk, applicable Requirements and the needs of people who must use or review it.