This is the 1026th most frequent Swedish word.
fönster
Window.
Here, 'fönstret' is used in its primary meaning to denote an aperture in a wall usually covered with transparent material for allowing light and air.
Jag öppnade fönstret för att släppa in frisk luft.
I opened the window to let in fresh air.
In this sentence, 'fönster' refers to the part of a building that is chosen or designed based on aesthetic or functional preferences.
Vi diskuterade vilket fönster som skulle passa bäst för huset.
We discussed which window would suit the house best.
Here, 'fönster' is metaphorically used to describe the time period during which applications are accepted.