Workflow Elements

Ad-hoc

A group of Activities that have no REQUIRED sequence relationships
A set of Activities can be defined for the Process, but the sequence and number of performances for the Activities is determined by the performers of the Activities
Ad-hoc sub-process is marked with a tilde character

01.07 - Loops

You cannot combine multiple loop markers!

A diverging Exclusive Gateway (Decision) is used to create alternative paths within a Process flow
Only one of the paths can be taken, this means the gateway is exclusive
A Decision can be thought of as a question that is asked at a particular point in the Process
The question has a defined set of alternative answers
Each answer is associated with a condition Expression that is associated with a Gateway’s outgoing Sequence Flows

A diverging Inclusive Gateway (Inclusive Decision) can be used to create alternative but also parallel paths within a Process flow
Unlike the Exclusive Gateway, all condition Expressions are evaluated
The true evaluation of one condition Expression does not exclude the evaluation of other condition Expressions
All Sequence Flows with a true evaluation will be traversed by a token
Since each path is considered to be independent, all combinations of the paths MAY be taken, from zero to all
However, it should be designed so that at least one path is taken.