olemus
sõltub kontekstist
=
a condition or manner in which an entity may operate or function

näiteid
https://www.physics-and-radio-electronics.com/electronic-devices-and-circuits/transistors/bipolarjunctiontransistor/bjtoperationmodes.html

http://flint.cs.yale.edu/feng/cos/resources/BIOS/procModes.htm

https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation