This is the 1017th most frequent Swedish word.
enkel
Simple; easy; single.
Here, 'enkel' is used as an adjective modifying 'uppgift' (task) to mean 'simple' or 'easy'.
Det var en enkel uppgift.
It was a simple task.
In this context, 'enkel' describes 'design' to mean 'plain' or 'basic', showing minimalism or lack of complexity.
Bilen hade en enkel design.
The car had a plain design.
Here, the abstract noun 'enkelhet' signifies the state or quality of being 'simple,' derived from the adjective 'enkel'.