Index_N

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N

name-direction arrow, 65

naming

actors, 137

aggregation, 86

associations, 62, 65–66

attributes, 45–46

classes, 42–43, 365, 370

communication diagram, 235

identical names for the same class, 366

messages, 196–199

objects, 43–44

operations, 50–51

use cases, 142, 143

vague names, 365

navigation arrow, in association, 63, 79

neg operator, 211

no cycles constraint, 75

nodes, 333–335

Northern Light Web site, 374

nouns, using to define objects and classes, 40–41

null values, for attributes, 48

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