An object, person, place, or thing that is being mentioned.

What sweet dreams are made of

A funny, cute, good girlfriend

This is this. This is what u call this. This is what I call this u sit there and talk and call it this instead of something else so now every time u talk to someone call it this.

pronoun / ˈt͟his , t͟həs /

A one-word response following another user's statement or question in an online forum or chat service, e.g., Slack; used to express intense agreement with said user's message--often preceded or replaced by a caret (^).

Another way to read and to write "The".
You can read/write "The" with "Da" or "Thi".