ChristopherAlexander 가 만든 개념으로, 빈번히 일어나는 특정 문제 컨텍스트에 대한 일반적 해결안을 패턴이라고 하고, 이 패턴들이 함께 모여서 시스템을 형성한 것을 패턴언어라고 한다.
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Each pattern describes a problem that occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it the same way twice.
Each pattern describes a problem that occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it the same way twice.
see also:
Summary of A Pattern Language 
- some examples with the original form 
Link
 - StreetCafePattern
 - http://www.jacana.org.uk/pattern/ 
 
A Pattern Language 감상 ¶
특히 맘에 드는 아이디어들..  -- sweetaby
- Four-Story Limit - 경제성을 따진다면 어렵겠지.. 하지만 낮은 건물들로 이루어진 타운은 정말 아름답다고 생각한다. 
 - Accessible Green - Build one open public green with three minutes' walk
 - Small Public Squares - Make a public square much smaller than you would first imagine
 - Arcades - connect up the buildings to one another (홍콩의 쇼핑아케이드처럼..)
 - Common Areas at the Hearts - 중요. 기본.
 - A place to wait - create a situation which makes the waiting positive
 - Window Place - 별 다섯개~ 
 - Alcoves - 책상이나 테이블을 놓을 수 있는 작은 공간의 여유..
 - Front Door Bench - People like to watch the street, me too..
 - Warm Colors - Natural wood, sunlight, bright colours are warm                                    
 

