This is the 526th most frequent Dutch word.
hart
"Heart."
In this example, 'hart' metaphorically represents the central or most vital part of something.
Ze woont in het hart van de stad.
She lives in the heart of the city.
In this sentence, 'hart' refers to the core of someone's emotions or sincerity.
Hij sprak uit het hart.
He spoke from the heart.
Here, 'hart' is used in its anatomical sense, as the biological organ.