This is the 5204th most frequent Swedish word.
dina
"Dina" means "your" (plural possessive) in English.
In this sentence, 'dina' is a possessive pronoun used to indicate that the books belong to the second person being addressed.
Det här är dina böcker.
These are your books.
Here, 'dina' is a possessive pronoun referring to the second person's ideas.
Dina idéer är alltid så inspirerande.
Your ideas are always so inspiring.
In this case, 'dina' serves as a possessive pronoun indicating ownership of the keys by the person being spoken to.