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Because a group is not an activity or a flow object, it cannot connect to sequence or message flows. Furthermore, groups are not constrained by… Read More »Group

Data Object

Data objects provide information about the activities that must be performed and/or the results that they produce. Elements of data objects must be contained within… Read More »Data Object


A lane is a sub-partition within a process (often within a pool) that runs the length of the process level, either vertically or horizontally. Lanes… Read More »Lane


A pool is a graphical representation of a collaboration participant. A pool serves as a container for the sequence flows that occur between activities (of… Read More »Pool