One of the most overlooked elements in mixing is panorama. It is the act of placing a sound element in the soundfield. Panning lets us select where in that space we place the sound.
Panning can create excitement by adding movement to the track and clarity to an instrument by moving it out of the way of other sounds that may be clashing with it. Correct panning of a track can also make a recording sound bigger, wider, or deeper. The three major panoramic areas in a mix are the extreme hard left, the extreme hard right, and the center.
Read more about this here: https://bobbyowsinskiblog.com/2018/05/23/panning-big-3/