Chapter 13. LDS Syntax Rules
This chapter gives the LDS syntax rules to which every LDS must conform. If an LDS fails to conform, it is meaningless and fails to communicate. As a data modeler, it is your responsibility to ensure that the in-progress LDS in syntactically valid. Master modelers do this instinctively.
Within Any LDS, Each Entity, Attribute, Relationship, and Link Has an Official Name That Is Unique
The things on an LDS have names, which are supplied by the users. It is through these names that the users confirm that the LDS accurately describes their information. If the names are wrong, the sentences you say will sound wrong to users.
Different things should have different names so that you and the users can tell them apart. ...
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