olemus
(1) käsitlusobjekt,
mille sisestruktuur pole teada
ja mida uuritakse empiiriliste mudelitega
Wiktionary:
3. a theoretical construct or device with known input and output characteristics but unknown method of operation
https://en.wikipedia.org/wiki/Black_box
vt ka
- käitumistestimine
- musta kasti meetod
- tumm tehisintellekt

(2) pardaregistraator:
toiminguid salvestav seade
lennukil vm sõidukil,
enamasti oranž ja mitte kast
Wiktionary:
1. (informal, aviation) a flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident
2. (transport, by extension) any similar device on motor vehicles, such as rail event recorders and ship trip recorders
https://en.wikipedia.org/wiki/Flight_recorder