The master/main thing drives me bonkers. Master has several meanings in English, one of which is in "master recording"; the original recording of a song, or the

The master/main thing drives me bonkers. Master has several meanings in English, one of which is in "master recording"; the original recording of a song, or the final, delivered recording of a song. It has zero to do with slaves. Another definition of "master" is to fully and completely understand and grok a topic of learning, or a technique.