This class comprises events that result in the creation of instances of D9 Data Object that
represent the appearance and/or form of an instance of E18 Physical Thing such as paper documents, statues, buildings, paintings, etc.
A particular case is the analogue-to-digital conversion of audiovisual material.
This class represents the transition from a material thing to an immaterial representation of it.
The characteristic subsequent processing steps on digital objects are regarded as instances of D3 Formal Derivation.