A theoretical construct or device with known input and output characteristics but unknown method of operation.
A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident.
A device used in phreaking that prevents the calling party from being billed for the call placed.
A type of theater characterized by a lack of decoration or complex mechanisms.
Any similar device on motor vehicles, such as rail event recorders and ship trip recorders.
To focus on the inputs and outputs without worrying about the internal complexity.
Matter which may be shaped or manipulated, particularly in making something.
All of a player's pieces and pawns on the chessboard.
Related data of various kinds, especially if collected as the basis for a document or book.
The substance that something is made or composed of.
Text written for a specific purpose.
A sample or specimens for study.
Cloth to be made into a garment. Fabric.
An element of a design language associated with a certain style of rendering on the display.
A person, or people collectively, who are qualified for a certain position or activity.
Significant.
Having to do with matter; consisting of matter.
Worldly, as opposed to spiritual.