This could be mechanical things like the order of adjectives, or more complex/personal things on your journey of learning another language.
I want to start learning Norwegian again and I remembered learning a lot about citrus fruits as I went on Wikipedia adjacent trips.
I still find it funny that the Swedish word for vegetable is “grönsak”, which literally translates to “green thing”.
Some things would just be called ____ things. I love that. Like that's what the category is at the grocery store?
Bit idea, update the term to refer to other vegetables like Orange things for carrots