A thing of any kind, especially when the exact thing is not known or when asking whether there is such a thing.
Do you need anything from the store?
I can't find anything in this drawer.
In a negative sentence, anything usually means “nada,” not “algo.”
Common phrases & grammar
need anything · find anything · not know anything · anything else
Do/Does/Did + person + verb + anything?
person + do/does/did not + verb + anything