This is the 1514th most frequent German word.
ankommt
"Ankommt" means "arrives."
Here, 'kommt darauf an' is used in a phrase meaning 'it depends on', indicating conditionality.
Es kommt darauf an, wie das Wetter ist.
It depends on how the weather is.
In this sentence, 'kommt an' refers to the act of arriving at a destination.
Der Zug kommt pünktlich an.
The train arrives on time.
Similar to the first sentence, 'kommt darauf an' expresses dependency on certain conditions.