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© Lonsdale Systems
Requirements Quick Reference
Capability
[action]
(verb)
[object]
(noun)
[condition]
[action qualifier]
(adverb)
[object qualifier]
(adjective)
[constraint]
[constraint]
[constraint]
Constraint
[constraining action]
(verb)
[constrained object]
(noun)
[constraint]
[constraint]
[constraint]
[value]
[value]
[value]
Functional Requirement
[CAPABILITY][obligation][subject]
Interface Requirement
[CAPABILITY]
must
provide the
[subject] [actor]
with the
ability to
must
inform the
[actor] [condition][subject] when
Storage Requirement
[object]must store[subject]
Constraint with Obligation
[CONSTRAINT][obligation][subject]