Hola Nicole
There are students who, at A2 level, still get a bit confused when a lot of jargon is used in explanations; this is why sometimes we prefer not to use the jargon. But we understand that different students have different ways of learning a language, and knowing all the grammatical details help them to understand better, in many cases too. We always try to find a balance.
Nevertheless, you will always find links in lessons that will take you to more information related to the specific content in the lesson, the group of words they belong to, etc. This will help understanding the grammar involved.
Thanks for your comments.
Un saludo
Inma