As an adjective, 'such' is used to emphasize a particular quality or characteristic of a noun.
It was such a beautiful day!
I've never seen such kindness before.
They faced such challenges during their journey.
When 'such' is used as an adjective, it usually precedes the noun it modifies.
as a pronoun, 'such' is used to refer to a person, thing, or idea previously mentioned, or to give an example of a type of person or thing.
I've never seen such in my life.
She enjoys romantic movies, comedies, and such.
They sell hats, scarves, gloves, and such.
When 'such' is used as a pronoun, it often appears at the end of a list to mean 'and similar items.'
as an adverb, 'such' is used to intensify the meaning of the adjective or adverb it modifies.
She is such cleverly disguised that I didn't recognize her.
The play was such well-written that it received rave reviews.
When 'such' is used as an adverb, it's less common in modern English and might sound a bit formal or old-fashioned.