Mixing therefore does not necessarily include worrying about the final volume level, dynamic range, stereo image width, or any concerns about how it might sound on the many different playback systems listeners may be using. Those will all be taken care of in mastering, when we look at the song as a whole and how it will be presented to the world. Mastering is the set of processes aimed at the final combined stereo output after all the mixing work is finalized.
Something like a well-placed delay or reverb can add unbelievable character to a percussion part. Since your kicks, snares, toms, and hi-hats are each isolated, you have the power to add effects your entire kit as well as individual instruments. Depending on the character of the track you’re building, these effects allow you to construct drum parts that are clear and driving, or ambient and unpredictable.