- care, maintenance, upkeep - activity involved in maintaining something in good working order; "he wrote the manual on car care"
--1 is a kind of repair, fix, fixing, fixture, mend, mending, reparation
--1 has particulars:camera care; car care; overhaul, inspection and repair, service; pump priming; scheduled maintenance; steam fitting - sustenance, sustentation, sustainment, maintenance, upkeep - the act of sustaining life by food or providing a means of subsistence; "they were in want of sustenance"; "fishing was their main sustainment"
--2 is a kind of support