We are working with @ElliottDelp to bring quick bits of information to new gun owners.
Also, we have a large trove of information on our website, here are some articles that will help with understanding scope mechanisms.
An Introduction to First Focal Plane:
https://monstrumtactical.com/guides/a...
A Shooter't Guide to MOA:
https://monstrumtactical.com/guides/a...
A Shooter's Guide to Parallax:
https://monstrumtactical.com/guides/a...
What to look for in a Hunting Scope:
https://monstrumtactical.com/guides/w...