Filth is defined as anything considered extremely dirty, obscene or disgusting. An example of filth is a room filled with cat feces. An example of filth is what some people call pornography. disgustingly offensive dirt, garbage, etc. anything considered as foul as this; esp., anything viewed as grossly indecent or obscene. gross moral corruption.
The White House is where the President lives and has his Oval Office. There are people working there that assist the President in doing his job. This is called the Executive Branch of the government. The Capitol is where the United States Congress is situated, consisting of the Senate and the House of Representatives. United States Congressmen (Senators and Representatives) work there. This is called the Legislative Branch of the Government (they make the law.
NOTE: The state capitol is the building that houses the Virginia General Assembly. The capital (spelled with an a instead of an o) is the city in which the General Assembly meets. At the Federal Level, Washington DC is the capital city and the US Congress meets in the Capitol building.