What is the meaning of Second_person?

The form of a verb used when the subject of a sentence is the audience. In English, the second person is used with the pronouns thou and you. In many languages the singular, applying to one person, and plural, applying to several people, are distinct.

A form of narrative writing using verbs in the second person in order to give the impression that the action is happening to the reader.

Source: wiktionary.org