«lan» stereotype, 334
language development, UML modeling tools supporting, 33
language of the user. See domain language
left angle bracket (<), for right-to-left association, 65
«library» stereotype, 338
life cycle
of aggregation, 85
definition of, 29
methodology compared to, 35
types of, 34–35
lifeline of object
definition of, 189, 193
diagramming, 190–193
references for, 232–233
line
dashed
with arrow, from object to class, 54–55
for dependencies, 76, 125, 347
dividing concurrent substates, 307
for included use cases, 162–163
for lifelines, 190
solid
for associations, 62
for links, 63
thick
for fork or join nodes, 215
for fork or join pseudostates, 306–307
links, 62, 63–64. See also associations
logical models, 327
lollipop icon, 327
loop operator, 206, 208–209, 211