The document presents Sirius Animator, an extension of the Sirius tool aimed at providing model simulation, graphical animation, and omniscient debugging for domain-specific modeling languages. It discusses the integration of execution semantics defined with the Action Language for EMF (ALE) and highlights tools for intuitive model comprehension, stepwise debugging, and developing advanced debugging environments like in Arduino Designer. The material emphasizes the importance of model execution and debugging in behavioral modeling across various fields such as software and enterprise architecture.