This is the 16th most frequent Catalan word.
aquest
"Aquest" means "this" in English.
"Aquest" is used here as a demonstrative pronoun, referring to a specific person without repeating the noun. It conveys 'this one'.
Vam parlar amb aquest que coneixes.
We spoke with this one whom you know.
While illustrating "aquestes" (the plural of "aquest"), this demonstrates its use as an adjective, modifying the plural noun "flors" (flowers).
Has vist aquestes flors?
Have you seen these flowers?
The word "aquest" is used here as a demonstrative adjective, describing the noun "llibre" (book). It is equivalent to "this" in English.