olemus
triviaalne, kuid mahukas ja aeganõudev
arvandmete töötlus

Wiktionary:
verb
3. (slang) to calculate or otherwise process (e.g. to crunch numbers: to perform mathematical calculations)
Presumably from the sound made by mechanical calculators.
That metadata makes it much easier for the search engine to crunch the data for queries.

näiteid
https://c-for-dummies.com/blog/?p=871