As a very specialized field of creative endeavor, digital photo editing has an unbelievably highly developed language all on its own that's wrapped in often hard-to-decipher jargons.
If you want to really understand what digital-photo-editing-specific words such as "temperature," "tint," "exposure," "contrast," "clarity," and a whole lot of others really mean, and even really sink it in with samples and demos, there is an excellent guide for you made by Polarr.
This awesome guide will definitely help you plow through your next photo editing session with more power and purpose because you'll know and understand exactly what it is that you're doing every step of the way.
Read it, here. And for good measure, bookmark it too.