Sitting in a very noisy restaurant, you are able to screen out all the other conversations around you so you can listen to the friend with whom you are conversing. this is an example of

This is an example of “Selective attention”.

Selective attention is the way toward concentrating on specific issues, sounds, objects in the surrounding for a specific time-frame. Attention is a restricted asset, so selective attention enables us to block out irrelevant subtle elements and spotlight on what truly matters.

its tr3way you already know

answer; you can turn right on a red signal (when posted);