To mean that everything depends on or is mainly about one main thing.
Examples
In the end, choosing the right university comes down to what you want to study.
A: Why did you pick that job over the others?
B: Honestly, it just came down to the salary.
Common mistake
Not: In the end it comes down on the price.
Say: In the end it comes down to the price.
'Come down TO' the key factor — not 'down on'.
More on “come down to”Another example · Tell it apart · Goes with · Tip
Another example
When deciding where to live, it often comes down to cost and convenience.
Tell it apart
It all comes down to money in the end.
Prices came down a lot last year.
Goes with
- it comes down to + factor