What of the 8 parts speech is about?

You're asking about the 8 parts of speech, which are categories that describe the function of words in a sentence.

Here's a breakdown:

1. Noun: A noun names a person, place, thing, or idea.

* Examples: *dog*, *school*, *freedom*, *happiness*

2. Pronoun: A pronoun replaces a noun to avoid repetition.

* Examples: *he*, *she*, *it*, *they*, *we*, *you*, *I*

3. Verb: A verb shows action or a state of being.

* Examples: *run*, *sleep*, *eat*, *be*, *become*

4. Adjective: An adjective describes a noun or pronoun.

* Examples: *big*, *red*, *happy*, *interesting*

5. Adverb: An adverb modifies a verb, adjective, or another adverb.

* Examples: *quickly*, *slowly*, *very*, *really*

6. Preposition: A preposition shows the relationship between a noun or pronoun and another word in the sentence.

* Examples: *on*, *in*, *under*, *over*, *at*, *to*, *from*

7. Conjunction: A conjunction joins words, phrases, or clauses.

* Examples: *and*, *but*, *or*, *so*, *because*

8. Interjection: An interjection expresses strong emotion and is often followed by an exclamation point.

* Examples: *Wow!, Ouch!, Help!*, *Goodness!*

Let me know if you'd like more examples or explanation about any of these parts of speech!