The clans are those theories, practices and examples that we have fit into the framework. They are a starting point only, and you will want to keep adding to them as time goes on.
Finish the Toolbox before you explore the Treasure-chests. The "Treasures" assume that you are familiar with the framework in which they are discussed.
Auxiliary Elements for document intro.abouttbtc.fishsticks.htm
Part of Toolboxes and Treasure-chests.