BRD, FRD, and SRS structure, use cases, user stories with acceptance criteria, and traceability matrices.
3 questions in Business Analysis.
A BRD explains the business objective and sponsor decision, an FRD describes required system behavior, and a user story is a small testable slice with acceptance criteria. Choose the artifact by audience, governance need and delivery granularity.
Convert the adjective into an observable: who is doing what task, under which conditions, and what result counts as a pass. Where no honest measure exists, record it as a design constraint with a named reviewer rather than leaving an unverifiable sentence in a document somebody signs.
Decide which documents deserve to be current before updating anything, because each one is read for a different decision and drift matters in only some of them. Retire what nobody reads, point people at the real record of truth, and cost the maintenance honestly rather than promising to keep everything in step.