Normally, inside a building, you walk on the floor, and outside, you walk on the ground. We occasionally speak to the "floor" of the ocean, the "floor" of the forest, and so on, but in common parlance, a "floor" is a component of a building or other structure. A floor is not the same as the ground beneath it; instead, it's an area that can be used for various purposes.
A floor is any level surface designed for walking on. In buildings, the lowest floor on which people can physically enter or leave is called the ground floor. Any higher floor is a first floor, second floor, and so on.
In homes, offices, and other structures not intended for public use, each room has its own unique floor. The term "first floor" refers to the level above the basement, while the "second floor" is the one above that, and so on.
The word "floor" is used extensively in architecture and construction. A building "floors" its site by cutting down all its walls until only one remains-the roof. Buildings are "raised" above the slope on footings-sturdy bases of concrete or stone placed in the ground to hold up the weight of the building. The distance between the footings and the top of the building is called the "height" of the building.
When you are inside a building, you walk on the floor. A building can have more than one storey. The ground outside of structures is still referred to as the ground.
Stories have four walls and a roof. The walls of a story act like rooms with doors leading into other rooms. You can go from one room to another by using these doors. Stories have windows and roofs too. But you cannot see or touch them when you are inside.
The first thing you need to know about buildings is that they can hold up people's feet! The people inside stories can fall if they do not pay attention to what they are doing. People have been killed when buildings have collapsed around them.
You should also know that houses and buildings can be burned down too. Firefighters can burn down houses to stop fires from spreading to other properties or to destroy evidence of arson. Some buildings are made out of flammable materials such as wood or cloth, so they can burn easily. Other things can cause buildings to burn down including natural disasters like floods or earthquakes.
People work hard to build beautiful buildings. They also spend lots of money making renovations and repairs to old buildings. Then there are buildings which are just thrown up in a hurry by people who don't think much about their work.
The ground floor is the floor of a building that is level with the ground in British English. The floor that is level with the ground is referred to as the first floor in American English, the floor above it as the second floor, and so on. The third floor is the roof of the building.
The first floor is the lowest floor of a building, usually containing only one entryway into the room below. This floor is used for storage of goods, or removal of heavy items. The first floor may also have a balcony or an attic space that provides access to the first floor.
The second floor is the next floor up from the ground floor. It contains rooms that provide views over the first floor. There may be separate entrances to these rooms, but often there is just one large opening with stairs or a lift leading down to the second floor. The second floor is where most bedrooms are found. Bathrooms usually reside on the second floor too. Larger houses may have additional floors above the second floor. These may include a library, a music room, a study, or a ballroom.
The term "ground floor" has become popular in North America. In Europe, people usually say "first floor". However, "ground floor" is the official term in many buildings worldwide.