mettere a fuoco

Etymology
lit. 'to put to fire'.

Verb

 * 1)  to focus adjust a lens, etc.
 * 2)  to fix one's eyes on; to bring into focus
 * 3)  to clarify the circumstances, parameters, etc. of a problem to better understand it
 * 1)  to clarify the circumstances, parameters, etc. of a problem to better understand it