Definitions

1. pronoun

used to refer to something mentioned or already known about, or to indicate a specific person or thing

“I’ll show you this book later.”

2. adverb

used to indicate the person or thing being referred to

“He’s the one, this is his car.”

3. demonstrative

used to point out or indicate a person, place, or thing

“This is a beautiful painting.”

4. noun

an instance or occurrence of something

“This is the third time this week that it’s rained.”

5. interjection

used to express agreement or confirmation

“This is great!”