1.Lit. to write something down as a reminder. Please make a note of it so you will remember.I will make a note of it and try to remember where I put the note.
2.Fig. to make a mental note of something. You want to be considered for promotion. I'll make a note of it.Please make a note of it.
Write down so as to remember; also, remember. For example, I'll make a note of the fact that the tires are low. Shakespeare used this term in slightly different form in The Two Gentlemen of Verona (2:7): "Go with me to my chamber to take a note of what I stand in need."