This is the 174th most frequent French word.
maison
House.
The word 'maison' is used here in its literal sense to mean a physical house or home as a place of residence.
J'habite dans une maison au bord du lac.
I live in a house by the lake.
In this sentence, 'maison' refers metaphorically to an establishment or brand, specifically a fashion house.
Cette maison de couture est célèbre dans le monde entier.
This fashion house is famous throughout the world.
Here, 'maison' signifies the concept of home, a comfortable and personal living place.