The left-hand-side ( LHS ) of the rules consist of an annotation pattern description.
2.
Although fly patterns do provide some consistency, different writers may publish patterns with small to moderate differences across pattern descriptions for the same fly.
3.
Even without the pattern description, these links, along with meaningful names, carry a message : When building a place outside where people can spend time ( " PUBLIC OUTDOOR ROOM " ), consider to surround it by stairs where people can sit ( " STAIR SEATS " ).