.ppsx file extension
A ppsx file is a presentation file. When you open the file the slide show opens and not the editing mode like in ppt files.
Game-based learning is a popular approach where the instrument for a learning process is a game. Game-based learning scenarios are often found online - they are often favored because they engage learners in a way that few other learning methods do.
In vocal distractions filler words like um, er, and you know are used during a pause.
.pot file extension
They are used to create more PowerPoint files with the same formatting and later got replaced by .potx files.