Wiktionary
critical functions
n. (critical function English)
Usage examples of "critical functions".
As a result, I am significantly more vulnerable than current Bolos to psychotronic systems failure due to battle damage, though this vulnerability could be compensated for by the addition of further backups for my critical functions.
My bones, muscles, nerves, and blood vessels are all buttressed by millions of microscopic implants that not only ensure the critical functions are accomplished, but also, in many cases, biochemically rejuvenate the aged cells.
Certain repairs to critical functions must be made before any attempt to attack the Vom can be made.
AnyKaat, Degas, Vadja, Haget, and Seeker some, could cover the critical functions.