which shows an archetypical example of the pattern.
sets the context for the pattern, by explaining how it helps to complete certain larger patterns. how is this pattern influenced by other patterns
that gives the essence of the problem in one or two sentences
This is the longest section. It describes the empirical background of the pattern, the evidence for its validity, the range of different ways the pattern can be manifested in a building, and so on. It combines the the problem, aspects of the problem, the solution and aspects of the solution
describes the field of physical and social relationships which are required to solve the stated problem, in the stated context. This solution is always stated in the form of an instruction - so that you know exactly what you need to do, to build the pattern
a diagram, with labels to indicate its main components
ties the pattern to all those smaller patterns in the language, which are needed to complete this pattern, to embellish it, to fill it out. how does this pattern influence other patterns
Timeless Way of Building