determiner:used to identify a specific person or thing indicated by the speaker
Pass me that book on the table.
pronoun:used to refer to a specific thing previously mentioned or understood
That was the best meal we had on the trip.
pronoun:used to introduce a restrictive relative clause referring to a person or thing
The jacket that you lent me fits perfectly.
conjunction:used to introduce a clause that is the subject or object of a verb
She said that she would be late.
adverb:to such a degree; so
I wasn't that hungry, so I just had a snack.
