Most sections now have a forum that links to their specific FAQ. Such as:
General Support: Site FAQ
Client Customization: Client Editing FAQ
Eluna: Eluna FAQ
TrinityCore: TrinityCore FAQ
The more answers to specific questions will be added to the list overtime. It is best to view the FAQ just in case your question could be answered within one of those links. It's faster than making a thread if the FAQ can answer your questions.