That's called a built-in function; or often simply a "function".
Some missions were built as four sided enclosures. The inside would then be a four-sided open space which is called a quadrangle.
Matlab has a built-in function called "demod" in the communications (signal processing) toolbox where you can specify 'fm' for frequency demodulation.
The pyramids in Egypt were all built the same way. They were square based and in porportion to the golden ratio. Although pyramids in the middle east and Persia, mor commonly known as ziggurats, were round and tiered. This is because they were built by a different civilization and in a different time pyramid. And also, the South Americans buit square based tiered pyramids, because they too had different architecture methods and lived in a different time period.
Built up area is the area which has been developed.and floor area is the area which is about to built or about to develope.
The Olmecs.
Once called the Museum of Man, the Museum of Civilization, now called the Museum of History, is in a building built in the late 1980's and completed in 1989.
It is the Valley of Mexico
which civilization built the great mound.
Because it was built at the site of the ancient Hohokam civilization, it was called Phoenix, a city risiing from an ancient civilization.
maya
The Ancient Greek civilization built the Parthenon.
Maya, Incan, Aztecs
A relatively advanced civilization called the Beaker People are believed to have built Stonehenge
The Mayas built Tikal and had an advanced knowledge of astronomy, giving them the ability to make a calendar.
One civilization known for building huge burial mounds is the ancient Egyptians. They constructed massive structures called pyramids as tombs for their pharaohs. Another civilization known for their large burial mounds is the ancient Celts, who built them across parts of Europe to commemorate their elite members.
Yhe mayan civilization built the cities