olemus
kontekstist sõltuv vältimatu lisaressurss
= a context-dependent unavoidable additional resource

näiteid
Wiktionary:
9. (computing) data or steps of computation used only to facilitate the computations in the system and not directly related to the actual program code or data being processed
Network overhead is the header data that is required to route and transport data over the network, whereas fork overhead is the additional time and memory cost of creating and managing new processes within the operating system.

https://en.wikipedia.org/wiki/Overhead_(engineering)

https://en.wikipedia.org/wiki/Overhead_(computing)

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