1. the lowest level of abstraction to the highest: Statement, code segment, program
2. lossy transformation of a digital image: Replace the green component of each pixel with the average value of the red and blue components of the pixel.
3. a variable that would be useful to have as a parameter for the specified method: The name of an author in a procedure to search a library catalog for books The side length of a cube in a procedure to find the surface area of a cube