- Scope of Implementation
This method involves groups of participants defining the key concepts about an issue and then organizing them into a shared language recognizable to the whole population.
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Problems and Purpose
Pattern Language involves groups of participants defining the key concepts about an issue and then organizing them into a shared language recognizable to the whole population - lay person to politician to architect. This method, while originally designed for architectural planning, has been augmented to the democratic engagement process. First used by Christopher Alexander, the general structure of the process is as follows:
"Usually the author of a pattern language or collection chooses a generic structure for all the patterns it contains, breaking each into generic sections like context, problem statement, solution etc.
When design is done by a team, pattern names will form a vocabulary they can share. This makes it necessary for pattern names to be easy to remember and highly descriptive. Some examples from Alexander's works are WINDOW PLACE (helps define where windows should go in a room) and A PLACE TO WAIT (helps define the characteristics of bus stops and hospital waiting rooms, for example)." 
Origins and Development
How it Works
Analysis and Lessons Learned
Lead Image: Christopher Alexander - A Pattern Language http://tinyurl.com/y5p7w2zo