Typically, the informal pronominal address term (T-form) is the original second-person pronoun (Latin tu; Germanic du) and the polite or formal V-form is a plural form.

I changed the key binding for pause to the Escape key.

Sir, Senders is still in Yosemite camping with his family. He'll be out of pocket until tomorrow night.

These are celebrants who marry people at registry offices.