Another difference between our terminology and that of SSADM is that SSADM speaks of entities taking part in a number of relationships rather than being related to a number of other entities by a relationship (type). Look at Fig. 3.23. There are several sources of possible confusion here and it is instructive to go through them. Having a loan participating in a current loan relationship type is a bizarre idea. The truth is (probably) that the borrower (entity type) has made (relationship) one or more (degree) loans (entity type) some of which are current (attribute).