Patterns (in the sense of Design Patterns) are common ways to do things that have been found to work quite well in certain circumstances.
“Voting is a simple way for community members to express their opinion on something. Voting up...Voting
“Threaded comments are a form of Comment in which replies can be deeply nested. This is usually...Threaded comments
“Many social media platforms use the term Friend to refer to the relationship that exists when...Friend
“Bilateral friending is a pattern used in Social networks where a Friend request must be...Bilateral friending
“Unilateral friending is a pattern used on Social networks where anyone can declare that someone...Unilateral friending