This is the 94th most frequent Norwegian word.
stor
Big.
In this sentence, 'stor' is an adjective describing the size of the house, emphasizing its grandeur or largeness.
Huset er veldig stort.
The house is very big.
In this context, 'stor' metaphorically implies greatness or high regard in terms of reputation or influence.
Han er en stor forfatter i Norge.
He is a great author in Norway.
Here, 'stor' is used to indicate the significance or magnitude of the part of the project referenced.