This is the 2nd most frequent Danish word.
og
"Og" means "and" in English.
In this sentence, 'og' connects two nouns within the context of objects bought.
Hun købte en blomst og en vase.
She bought a flower and a vase.
Here, 'og' connects two verbs to indicate actions happening together.
Jeg elsker at læse bøger og se film.
I love reading books and watching movies.
Here, 'og' conjoins two main clauses to indicate sequential actions.