boil down
verb
Definitions
To reduce in volume by boiling.
Example: He boiled the soup down so it wouldn't be so weak.
To become reduced (to the most central elements or ingredients: to the essence, core or implication for action).
Example: So what this boils down to is that you still owe me that fifty bucks.
To reduce (to the most central elements or ingredients: to the essence, core or implication for action).
Example: My dissertation is 342 pages long, and I'm required to boil it down to a one-page abstract?!