A relationship defines the relation that a peer has with another.
In Peering Manager
Inside Peering Manager, you create relationships and use them when creating direct peering sessions.
Name: name of the relationship, must be unique.
Slug: unique URL friendly name; usually it is automatically generated from the relationship's name.
Description: a brief text explaining what the relationship is about.
Color: RGB color code that will be used when displaying the tag in the user interface.