what is the work of executive arm of government
Executive (government) The executive is the organ exercising authority in and holding responsibility for the governance of a state. The executive executes and enforces law.
White House Office The White House Office is an entity within the Executive Office of the President of the United States. The White House Office is headed by the White House Chief of Staff, who is also the head of the Executive Office of the President.[1] The staff of the various offices are based in the West Wing and East Wing of the White House, the Eisenhower Executive Office Building, and the New Executive Office Building. Almost all of the White House Office staff are political appointees of the President. These aides oversee the political and policy interests of the President and do not require Senate confirmation for appointment. They can be removed at the discretion of the President.