What are meta connections? Try to guess from the image:
Meta connections are connections to connections. They give the reader more information about connections, for example, how they were created or who is aware of them. Sometime in the future I would explain another type of meta connections: how to show intentions. However, I do not want to complicate things right now.
Social distance d is number of connections between entities
- distance between me and my friend is 1
- distance between me and a friend of my friend is 2
- distance between me and stranger is ∞
However, there can be more distances between two people: how they see it, how others see it, the shortest, the longest, the simplest, the most achievable… It would be enough to use one or two for the moment:
Finally, we can show the social diamond, this one is from real life experience: