A level of a building.
Storey or floor.
Floor is freely used alongside storey i have no reason to believe that the use of either term is geographically restricted.
A storey of a building is one of its different levels which is situated above or below other levels.
In american english it s spelled story and stories and at street level it s the first floor ground floor is not used.
For the noun referring to a horizontal level of a building story is the standard spelling in american english and storey is preferred in all the other main varieties of english.
So the ground floor is the first storey never story and the first floor the second storey.
The ground flor is at ground level and the first floor is abve that.
Floor level story us coordinate term.
A floor or level of a building or ship.
Floor level flight deck more synonyms of storey.
Plurals for the word are storeys and stories for the english uk and english us versions respectively.
A level of a building.
The first storey is at ground level and second storey is the one above.
The plural of the american story is stories and the plural of the storey is storeys.
A storey british english or story american english is any level part of a building with a floor that could be used by people for living work storage recreation et cetera.
The supporting surface of a room.
Storey plural storeys a building.
In the context you are asking about storey uk etc and story us are both equivalent in meaning to floor.
Note that in british english it s spelt storey and storeys and at street level it s the ground floor the next level being the first floor.