ISO 10303-214:2010(E)
A Leader directs a dimension, a note, or a symbol to the intended place on an element of geometry or annotation.
A Leader is a type of Annotation_curve.
Each Leader may be an Associated_leader.
The data associated with a Leader are the following:
terminator
The terminator specifies a list of annotation symbols that are applied to a leader and used to identify the end point or point of application of the directed annotation.
See leader to terminator_symbol for the application assertion.
The terminator need not be specified for a particular Leader.
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