This is the 5280th most frequent Turkish word.
kapıda
"Kapıda" means "at the door" in English.
Here 'kapıda' indicates location, specifying that the package is at the door.
Kapıda bekleyen bir paket var.
There is a package waiting at the door.
In this sentence, 'kapıda' refers to a person standing at the door, again denoting location.
Kapıda duran kişi kim?
Who is the person standing at the door?
In this example, 'kapıda' indicates the location where the queue has formed, in front of the door.