A non-exclusive
relationship. Can involve people being honest and on the level with each other, or cheating on or lying to others.
It can be a positive relationship where people who don't want to be alone, but aren't wanting or able to be in a full-time/
exclusive relationship, can have a friend to do activities with. It can be sex based, or include other activities and sharing. It can be more than just a
friends with benefits relationship as well.
It can also be a negative relationship, where one is cheating or leading on a partner and avoiding being exclusive. It can be just about sex, it depends on the individuals involved.