("mustkast-kasutusmall")

olemus
väliselt käitumist kirjeldav kasutusmall
Smartpedia:
A Black Box Use Case documents what a system should do and not how it should do it. The black box view shows what a system looks like from the outside, including the required and provided interfaces, and the relationship to other systems.
https://www.scenarioplus.org.uk/papers/use_cases/use_cases.htm
https://kurzy.kpi.fei.tuke.sk/zsi/resources/CockburnBookDraft.pdf