This is the 6th most frequent Danish word.
der
"Der" in Danish means "there" or "where," depending on context.
Here, 'der' is used as an expletive subject to introduce the sentence.
Der er en kat på bordet.
There is a cat on the table.
In this sentence, 'der' functions as a relative pronoun introducing a subordinate clause indicating location or existence.
Jeg ved, der er mange mennesker i parken.
I know that there are many people in the park.
Here, 'der' emphasizes location and is used to introduce the sentence's subject and verb arrangement.