come down to

verb2

1. •
   To reach by moving down or reducing.

   • Wait for the temperature to come down to a reasonable level before touching the lid.
   • Come down to my place someday and have lunch.
2. •
   To entirely depend upon a single factor; basically, ultimately or in essence.

   • The decision comes down to whether you really want to pay that much for a little extra convenience.
   • The game is going to come down to the last five seconds.