[…] As I wrote in part 12 of this diary, Dorico projects can contain multiple independent pieces of music, known as flows, which can even be for completely different combinations of instruments, assigned to players, which represent the human beings who will ultimately perform your music in the real world. To actually bring your music into concrete, notated form that can be printed out onto paper or displayed on a device for a live performer to read, you bring together some combination of flows and players into layouts. …