Deuxième personne

Second Person in French

The second person refers to the person or group of persons addressed by the speaker.

For example

Tu es belle. (You are beautiful)
  -> Tu is a single person addressed by the speaker.

Vous êtes en retard. (You are late)
  -> Vous can be a single person or a group of people addressed by the speaker. (learn more)

In addition to singular and plural forms, second person has subject, object, stress and possessive forms.
Second person pronouns

  Subject Reflexive Object Stress Possessive
singular tu te te toi le tien, la tienne
singular/plural vous vous vous vous le vôtre, la vôtre
I'll be right with you...