Adobe After Effects is a digital visual effects, motion graphics, and compositing application developed by Adobe Inc.; it is used for animation and in the post-production process of film making, video games and television production. 

I Learned how to add rotation to text

I learned how to make a path and make an object follow a path also about the stroke effect

i Learned how to add a Audio spectrum and what you can do with it also learned about the blur and bulge effects.

I learned how to animate the buttons add sound affects and how to shy layers and parent layers