Prologue. It took a while, but we finally reached a detailed level, where most of the BPMN treatments begin. In the previous installments, modeling of interactions between participants (Conversation) and pools (Collaboration) was taken care of. Now, modeling of the process itself is the subject of a quick overview. Its elements will be discussed using a part of a full process model, to be revealed later. The basic process elements are presented on the picture below.