>>6022365>lighting>environment>color>spaceBy drawing from real life until you can use references to compose a scene properly. Only retards catering to retards don't use references.
>This questions are never discusssed anywhereThey're discussed in formal materials and good education settings. You're not going to find comprehensive info in online forums, they're either full of shitters who refuse to know shit (here, deviantart, etc.) or pros who already know their shit and have no need to discuss it any further.
