PSA Stereo Pan vs. Stereo Balance
 

This discussion came up in another thread and was discussed at some length .
But I thought this brief illustrated recap was clear and informative

The illustrations with the Dual Stereo Pan knobs are from Pro Tools the one showing the Stereo balance slider, is I am guessing either Studio One or Logic

The Difference Between Stereo Pan and Stereo Balance
https://www.pro-tools-expert.com/production-expert-1/the-difference-between-stereo-pan-and-stereo-balance?mc_cid=5786f41de3&mc_eid=3af5b4ba3b