Programmers use the term to describe programs that are well designed and easy to understand and maintain. a. industrial c. well-behaved b. intractable d. elegant

They use the word elegant.

Some people think it's more important to write effective code - code that works, rather than it being aesthetically pleasing, but it's a good idea to make your code elegant as it will be more concise and maintainable especially if other people than yourself will be using it.