This is the 10779th most frequent Turkish word.
delik
Hole.
The word 'delik' is used to describe a literal hole in a piece of fabric or pocket.
Pantolonu giyerken fark ettim ki cebimde bir delik var.
While wearing my pants, I realized there is a hole in my pocket.
Here, 'delik' refers to an intentionally created opening for the purpose of seeing through.
Duvarın arkasını görmek için küçük bir delik açtılar.
They made a small hole to see behind the wall.
In this sentence, 'delik' is metaphorically used to mean a gap or missing part in information or data.