In one sentence, describe what the following article is about:

I was just explaining something to him/her."
Your note must be small! It must be a working period were everyone is working individually at their desks. Get your friend to call you over or randomly go over to their desk. Pretend you're explaining something on their sheet, when secretly leaving the note on their desk. Whisper that you left the note there but quietly so it would look like you're helping them. If the teacher asks what you are doing, you say, "Sorry.