Answer:
First person is from the narrator's view. (Uses "I, me, my, etc")
Second person is from your view, for example: "You are reading this right now." The narrator will refer to you. (Uses "You, yours, etc")
Third person is from a third-party view. They are narrating about a completely different person and it's not them or you. (Uses "she, her, he, him, his, etc")
The reader can learn about several character's thoughs in third person.
Hope this helps, dude.