Professionalism involves being reliable, setting your own high standards, and showing that you care about every aspect of your job. It's about being industrious and organized, and holding yourself accountable for your thoughts, words and actions.
Nothing there is no difference to them at all
Book musical- is defined as performance where musical numbers and dances are fully integrated into a proper narrative with define dramatic goals
jukebox musical- is a musical whilst is created using pre-existing songs.
concept musicals- i’d a musical where a theme, metaphor or concept is just as important as the overarching plot and the featured songs
it most likely is the first one cause distribution is when the film is sold, development is basically like the process and how it's going, production is during the creation of the film so pre-production is my best guess
