Answer:
Annotating is the process of marking a text with notes, highlights, arrows, and symbols
Step-by-step explanation:
As I go through a text, I underline what I think the main points are. Circling and connecting means that these two ideas are related, boxing is usually done around one word and signifies me bolding it (important word, I guess), and an arrow drawn from a word to the margin signifies that I am confused.
I hope this is what you were looking for. If not, let me know, and I'll try to modify my answer.