What is the Radix Sort?

To answer this question, begin by succinctly explaining that radix sort is a non-comparative integer sorting algorithm that sorts data with integer keys by grouping the keys by the individual digits at a certain place value. You could briefly explain how it processes the digits either from the least significant digit (lsd) to the most significant digit (msd) or vice versa, depending on the variant of radix sort being used. Offer a brief example or analogy to make your explanation clearer if possible. Ensure that you communicate clearly, use technical terms accurately, and demonstrate a comprehensive understanding of the concept.