Hello again friend :)
A pronoun is a type of word that is able to function on its own as a noun phrase and refers to participants in discourse. A pronoun can or may also replac a noun or noun phrase with words the are short.
Examples: this, she, he, you, I, it, is, etc.
For further information, You can check a local dictionary or web, or any other internet source you may have.
Hope this helps :)
Have A Good Day/Night
-Ans-