Final answer:
The White House has a total of 6 levels, including 2 basements, the Ground Floor, the State Floor, the Second Floor, and the Third Floor.
Step-by-step explanation:
The White House has a total of 6 levels, including the basement. Specifically, there are 2 basements, the Ground Floor, the State Floor, the Second Floor, and the Third Floor. The White House is not just a residence but also includes offices and the infrastructure necessary for the functioning of the presidency. With numerous rooms such as the Oval Office, the Situation Room, and the Cabinet Room, the White House is designed to accommodate both the personal life of the President and the business of running the country. Tours of the White House are available, though they must be arranged through one's Member of Congress and are subject to security checks.