Key terms are typically words that will come up a lot in a unit or a text. It’s more like a vocabulary related specifically to whatever it is you’re doing. High-use academic words, however, are words that are used a lot in a general academic setting, like a university or an academic journal.
If I were you I would choose 1 and 4 !
Answer:
Title
Explanation:
The title not even being a sentence can give central idea of the text