Meaning of the word "upper floor" in English

What does "upper floor" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

upper floor

US /ˈʌpər flɔr/
UK /ˈʌpə flɔː/

Noun

a floor of a building above the ground floor

Example:
Our office is on the upper floor of the building.
The bedrooms are all on the upper floor.