For those who can't be bothered to read a manual, or for those who simply enjoy unnecessary visual aids, this site offers an extensive collection of diagrams detailing the intricacies of various subjects.
Explore the World of GraphologyExample Diagram: The Venn Diagram of Overthinking
Overthinking:
The Never-Ending Loop
Thinking:
The Finite Loop
Thinking About Thinking:
The Infinite Loop of Self-Analysis