So confused...

Question

WTH are pointers used for?! I get the concept, but why are they a thing? When are they used? This is what the app never teaches you!

Answer 1

Check out linked list implementations and binary search trees, after you are done with SL tutorials.

http://www.cprogramming.com/tutorial/lesson15.html
http://www.cprogramming.com/tutorial/lesson18.html

Answer 2

You may find this post useful:
https://www.sololearn.com/Discuss/397036/?ref=app