This is a quick guide to a video series:
The Language of Chess is a series designed for beginners. Each video covers one chess term, explaining what it is and giving an example (in some cases a few). Another resource is this article, which has shorter explanations of a great variety of chess terms. If a student is unfamiliar with any of the following words, or could use a very clear example and explanation of the concept, these are great quickies:
Tactics + Strategy
Opening + Middlegame + Endgame
The Touch-Move Rule
More to come!