Used to refer to the listener or listeners in a conversation.

आप

English Usage: You need to submit your homework.

Hindi Usage: आपको अपना गृहकार्य जमा करना होगा।

Refers to the person or people being addressed.

आप

English Usage: You are my best friend.

Hindi Usage: आप मेरे सबसे अच्छे दोस्त हैं।

Indicates the doer of an action; the person or people spoken to.

आप

English Usage: You should take a break.

Hindi Usage: आपको एक ब्रेक लेना चाहिए।

Used to indicate specific people being addressed in a situation.

आप

English Usage: You all have done a great job.

Hindi Usage: आप सभी ने एक शानदार काम किया है।