This is the 3rd most frequent Dutch word.
in
The Dutch word "in" means "in" or "inside" in English.
Here, 'in' denotes a physical or locational presence within a space, specifically inside the garden.
Ik ben in de tuin.
I am in the garden.
In this sentence, 'in' is used to describe being located within a defined area for playing.
De kinderen spelen in de speeltuin.
The children are playing in the playground.
In this example, 'in' is part of an expression to denote interest directed towards a subject matter, functioning metaphorically for orientation.