Patters have Summary, Example and Benefit section present as comments. The focus is to bring out the benefit of the pattern with a simple real world example.
Categorization:
Creational: Concerns with the process of object creation.
Structural: Deals with composition of objects.
Behavioural: Ways in which objects interact and distribute responsibility.
Fluent and Classic builder pattern separates the builder pattern into two types, internet is filled with confusing articles on it. There are actually 2 different builder patterns.