The difference is between using a keyboard shortcut like vim's "yaw" to copy a word vs vim's "d3f," to delete the next three words. The former you can save to m

The difference is between using a keyboard shortcut like vim's "yaw" to copy a word vs vim's "d3f," to delete the next three words. The former you can save to muscle memory and always do instantly. The latter you have to think about, because you need to adjust it to your needs in the moment. That will always take a moment of thinking time.