get the picture
US /ɡɛt ðə ˈpɪktʃər/
UK /ɡɛt ðə ˈpɪktʃər/

1.
to understand a situation, especially one that is not explicitly stated
:
•
I don't need to explain further, do you get the picture?
•
After he described the messy room, I quickly got the picture.