A handle on - Idioms by The Free Dictionary
a handle on
*a handle on something
Fig. a means of understanding something; an aid to understanding something. (*Typically: get ~ have ~ give someone ~.) Let me try to get a handle on this. Now that I have a handle on the concept, I can begin to understand it.
References in periodicals archive
What it tells people is that the city has failed for decades to get a handle on
the gangs and the cultural and economic forces that perpetuate them.
There are some best practices that can help you get a handle on
this fast growing and changing technology.