This is the 713th most frequent Danish word.
hul
Hole.
In this sentence, 'hul' is used to describe a physical hole or gap in an object, which is the countertop.
Jeg fandt et hul i bordpladen.
I found a hole in the countertop.
Here, 'hul' describes an abstract concept, a 'gap' in the story, meaning a missing or unclear piece of information.
Historien havde et stort hul, som jeg ikke kunne forklare.
The story had a big gap that I couldn't explain.
'Hul' in this instance indicates a physical opening the ball can pass through.