Event-driven process chains (EPC) and Business Process Model and Notation (BPMN) version 2.0. are widely used modeling notations. The basics for these modeling techniques can be found in EPC in ARIS and in BPMN 2.0 in ARIS.
Topics
ARIS Architect quick start
ARIS models
BPMN diagrams
DMN diagrams
Matrix model
Spreadsheets
Use RACI matrix