Understand Something, Get a __ on It

This page is the CodyCross answer for the clue below from Cats, Group 1725, Puzzle 5 (Pounce and Chase).

Question is: Understand Something, Get a __ on It

and the answer is: HANDLE

Word Meaning:

HANDLE — The part of an object which is (designed to be) held in the hand when used or moved.

Definitions from Wiktionary.