This is the 207th most frequent German word.
kurz
Short.
Here, 'kurz' describes the concise nature of something.
Die Erklärung war sehr kurz und verständlich.
The explanation was very brief and understandable.
Here, 'kurz' specifies the limited extent of an activity or distance.
Wir machen einen kurzen Spaziergang.
We are going for a short walk.
Here, 'kurz' denotes a limited duration of time.