Basics
Noun and の adjective
きほん
この公しきが数学の基本だというダリン君の主ちょうは、基本的に正しいと思います。
I think Darin's claim is fundamentally right, and that this formula is basic to mathematics.
コウイチは、ビエトからヤクザの対外けいざいせいさくの基本について学んでいます。
Koichi is learning the basics of Yakuza external economic policy from Viet.
私は日本語の基本中の基本も知らない超初心者です。
I’m a super beginner who doesn’t even know the most basic of basics of Japanese.
The origin of your foundation is where you have to work from when learning something new. For example, the 基本 portions of WaniKani are the earlier levels, especially the radicals. They are the foundation you need to learn your kanji and vocab later on.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.