What is a "buzz cut"?

A "buzz cut" refers to a very short haircut that is achieved using clippers, which is why the choice indicating this method is the correct one. The technique involves using different clipper guard sizes to create a uniform length across the entire head, often resulting in a close-cropped, clean look. This hairstyle is popular for its low maintenance and ease of care, making it a practical choice for many individuals.

The other options describe different types of hairstyles that do not align with the definition of a buzz cut. A long hairstyle created with scissors would suggest a longer length, which contradicts the short characteristic of a buzz cut. A style that incorporates various lengths of hair implies a more layered and textured look, while a haircut styled with a razor often involves softening and shaping longer hair, which again is not representative of the simplified, uniform cut associated with a buzz cut.