Why patterns are useful in describing application architecture?

Why patterns r useful in describing application architecture?

[68 byte] By [NoNewNamea] at [2007-11-27 10:42:40]
# 1

They are a proven way to solve a particular problem that comes up again and again in each new design. Also, everyone knows the pattern and therefore it makes it easier for them to read your code.

George123a at 2007-7-28 19:19:46 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...