Table 1.

Table of usage scenarios and their corresponding classes in SBOL version 1, 2, and 3.

	SBOL1	SBOL2	SBOL3
DNA part	DnaComponent	ComponentDefinition	Component
Non-DNA part	N/A	ComponentDefinition	Component
Part uses	SequenceAnnotation	Component	SubComponent
Functional groups	N/A	ModuleDefinition	Component
Func. group uses	N/A	Module	SubComponent
Sequence features	SequenceAnnotation	SequenceAnnotation	SequenceFeature
References	N/A	MapsTo	ComponentReference
External definitions	N/A	N/A	ExternallyDefined
Placeholders	N/A	N/A	LocalSubComponent