Compression is such and easy concept... but can also be fucked up quite easy as well. I love compressors that show the spectrum of the audio being affected and threshold "wall" being lowered to a specific point of that audio... and also the gain being pushed back up and how its effecting the outcome of the audio. I love seeing how the audio is being effected in real time with graffs.
You say this but fuck knows how many times i've seen people confused to shit about it. I was one of those people to start with as well, and after watching this video I still 100% correct on the functions