Oh WOW! Cornell University has made "A Pattern Language: Towns, Buildings, Construction" by Christopher Alexander, Sara Ishikawa, and Murray Silverstein available for free as a PDF.

This 1977 book was a big influence on Bill Mollison & #Permaculture. and the field of #PatternLiteracy. It goes from large patterns like towns & communities down to personal space. Combining the patterns of human life and nature to create spaces supportive of balance in those pattern interactions. sample pages:

Here's another sample from "A Pattern Language"

They basically outlined the need for and full concept of ride-sharing apps in 1977. based on the application of #PatternLiteracy

I'm still just skimming... Pattern 100: Pedestrian Streets.

#PatternLiteracy