Abstract business process–
The abstract business process describes the interaction between a private business process and one or more other participants.
The abstract syntax is a system of rules according to which permitted constructions are formed from the basic terminology of a language.
The activity is a step in a business process that is not further detailed.
The activity describes a job within a business process.
Activity type [BPMN]–
The activity type describes a special behavior of an activity and can be identified using a custom symbol. Predefined activity types are loop task, multiple instance, ad hoc subprocess, transaction, compensation.
Ad hoc subprocess [BPMN]–
The ad hoc subprocess ...