This appears to be a containing part of a Blender animation course by ToAnimate (likely a tutorial series for Blender, the 3D software).

Setting up custom hotkeys, workspace preferences, and efficient file linking. Early Exercises:

Mastering the 3D viewport, selection tools, and transformation basics. Core Animation Tools: Essential introductions to the Graph Editor Dope Sheet Workflow Optimization:

: A feature-film quality rig included with the course, which reviewers from YouTube note is worth a significant portion of the price alone.