mandelbrot set: a set of complex numbers that has a highly convoluted fractal boundary when plotted; the set of all points in the complex plane that are bounded under a certain mathematical iteration
foreign intelligence surveillance court: a secret federal court created in 1978 by the Foreign Intelligence Surveillance Act; responsible for authorizing wiretaps and other forms of electronic surveillance and for authorizing searches of suspected spies and terrorists by the Department of Justice or United States intelligence agencies