Subject and Keywords:
The article discusses issues related with process modeling. Process modeling is supposed to help to describe, analyze and document processes within the discussed organization. Processes can be modeled with use various tools, some as simple as a sheet of paper and a pen, some sophisticated as specialized notations. It is crucial that the selected method (language) of modeling is under-standable to all people participating in the process. Currently, there are over 70 modeling languages in use. The choice of a modeling language depends on peculiarity of a process as well as the deter-mined objective. The present work provides a list of the most commonly used languages and a des-cription of some of them (e.g. BPMN notation, SwimLane method, UML).