This module concerns formal visualization languages applied to events. Alternative languages, and graphic visualization are some of the topics that concern me the most, and will influence my future research. State transition diagrams and Petri diagrams are similar in that they communicate complex proceses and the system these support, using symbols and schemes. The latter has a more strong foundation in mathematic languages which expands its functionality but also complicates its readability for the uninitiated. While they both can be analogous to concept maps, outlines and flow charts, or a combination of them, according to the materials revised, Petri also facilitates mathematical formulations and applications to the system it depicts. For this section, I had to consult a diversity of other articles, and eventhough it is easy to understand the merits of Petri´s proposal, I still feel unable to fluently read and understand complex diagrams. They are powerful tools to describe and evaluate systems but communicate to a restricted audience with certain level of expertise.
I would recommend to instruct this chapter in person, and practice, during a meeting, the translation of different real-life scenarios (systems) into these languages. Otherwise the topic would seem a bit neglected. Some good examples could be the service at a library, the security control processes in airports, closing a mobile application such as the hassle that Growtopia or Candy crush Saga impose, purchasing milk in a supermarket, etc.
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