Basics

18 clues
ABC's
A B C's?
Essentials
Rudiments.
Nitty-gritty
Fundamentals
Nuts and bolts
Primer material
Fundamental facts
What to go back to
Essential principles
First things to learn
Introductory material
What 101 courses give
Educational foundations
Something to get back to
It's sometimes good to get back to them
They might be covered on your first day of employment