Object-oriented methods tend to focus on the lowest-level building block: the class and its objects. - Peter Coad

Archetypes, color, and components will forever change how you build Java models. We build Java models with teams of developers. In our day-to-day mentoring, we develop and try out new ideas and innovations that will help those developers excel at modeling.

With each pattern, small piecework is standardized into a larger chunk or unit. Patterns become the building blocks for design and construction. Finding and applying patterns indicates progress in a field of human endeavor.

OOA - Object-Oriented Analysis - is based upon concepts that we first learned in kindergarten: objects and attributes, wholes and parts, classes and members.