I can't see what you've posted due to network restrictions where I work, but the text stretch sounds like stuff you could accomplish by a combination of animating the scale and some of the distort effects (like Bezier Warp, Corner Pin, Mesh Distort, etc.)
Red circles might be particles, shape layer(s), or Radio Waves depending on how it looks (again, I can't see it).
If you're new to AE, I highly recommend you start here first: [link] Go through all of the resources that page links to. It will get you up to speed on the basics of AE which will remove a lot of the frustration a newcomer can experience.
Simple text animators for spacing. As Michael suggested, begin by reading the help.
I've been working with tutorials for some time, few months. I read that already. I will try it, thanks