Rule #1: A UML or SysML Element in a tool is NOT just an Element symbol in a diagram! A Note is not an Element (compare with a Comment).

Icon class
icon_class
far fa-sticky-note
icon_class_computed
far fa-sticky-note
Note kind
Policy level
Specification keywords
UML keywords
Keywords
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This is perhaps the very first thing you should learn when using a UML or SysML tool!
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