* Angus beef? This is a type of beef from Angus cattle, known for its marbling and flavor. It's made of muscle tissue, fat, and other components found in all beef.
* Angus breed of cattle? This breed is known for its black color, excellent marbling, and high-quality meat. They're made up of the same tissues and organs as other cattle breeds.
* Something else entirely?
Let me know what you're looking for and I'll be happy to help!