Storey Or Floor

The first storey is at ground level and second storey is the one above.
Storey or floor. Plurals for the word are storeys and stories for the english uk and english us versions respectively. So the ground floor is the first storey never story and the first floor the second storey. The plural of the american story is stories and the plural of the storey is storeys. A level of a building.
In american english it s spelled story and stories and at street level it s the first floor ground floor is not used. A level of a building. Houses must not be more than two storeys high the upper storeys of the empire state building. Floor is freely used alongside storey i have no reason to believe that the use of either term is geographically restricted.
In the context you are asking about storey uk etc and story us are both equivalent in meaning to floor. The ground flor is at ground level and the first floor is abve that. Floor level flight deck more synonyms of storey.
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. 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. The supporting surface of a room. As nouns the difference between storey and floor is that storey is a floor or level of a building or ship while floor is the bottom or lower part of any room.
Floor level story us coordinate term. A storey of a building is one of its different levels which is situated above or below other levels. 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.