I wrote down, I noted
Anotei o endereço de Tom em meu caderno.
I wrote down Tom's address in my notebook.
Eu anotei o número de telefone dele num pedaço de papel.
I wrote his phone number down on a piece of paper.
O caderno está em branco ainda, não anotei nada da aula.
My notebook is still blank; I didn't write anything down during class.
Eu anotei o endereço para você.
I wrote down the address for you.
I wrote down the phone number.
I wrote down his phone number.
Eu anotei o endereço para vocês.
I wrote down the address for you.
I wrote it down somewhere.