The pronoun you is the singular and plural form of the second person pronoun. In English, you is usually used to refer to an indeterminate person, as opposed to the formal indefinite pronoun one. Although it was historically restricted to the dative case, you is now widely used in all cases and numbers. Here are some ways you can use the pronoun you to make your point. These examples are just a few.
The plural form of you guys is a shortened form of ye, and the singular form, you, is rare in educated speech. Although there is no regional association between ye and you, the term is in flux among some populations. People who adopted the plural form you guys in the 1990s may use it to refer to anyone, regardless of gender. This variation of the verb you is also used to refer to two people at the same time.