1. A safe relationship, that mimics a real partnership but is void or greatly laking jealousy and other such emotions that come with a serious relationship.
2. A physically involved relationship, where both partners enjoy some comforts of sitting on the fence
between serious relationship and simple friendship.
3. Any realtionship that can only be catagorized as being between Friends and Partners, also refered to as More then friends
Two people break up over complictaions of a serious relationship and decide to continue their relationship a step down, but not far enough as to have physical bounderies.