This is the 2794th most frequent Swedish word.
ytan
"The surface."
The word 'ytan' refers to the 'surface' of the lake, specifying its smooth and reflective condition.
Ytan på sjön är spegelblank.
The surface of the lake is mirror-like.
Here, 'ytan' describes the external layer or appearance of an object, which in this case is the wooden wall.
Efter renoveringen såg vi en förbättring på ytan av träväggen.
After the renovation, we saw an improvement on the surface of the wooden wall.
In this sentence, 'ytan' metaphorically refers to an outward appearance or impression, suggesting there might be more beneath this facade.