This is the 287th most frequent Swedish word.
rum
Room.
Here, 'rum' refers to a physical room, a distinct space within a building.
Jag har ett eget rum i huset.
I have my own room in the house.
In this case, 'rum' is used metaphorically to indicate space or possibility for progress or improvement.
Det finns mycket rum för utveckling i detta projekt.
There is a lot of room for improvement in this project.
Here, 'rum' describes the concept of space or dimensionality, especially related to perception in art.