The concept of reusability has its roots in the production process. Typically, most of us go about creating e-learning using a process similar to what is shown in the following screenshot. It works well for large teams and the one man band, except in the latter case, you become a specialist for all the stages of production. That's a heavy load. It's hard to be good at all things and it demands that you constantly stretch and improve your skills, and find ways to increase the efficiency of what you do.
Reusability in Storyline is about leveraging the formatting, look and feel and interactions you create so that you can re-purpose your work and speed-up production. Not every project will be an original one-off, in fact most won't, so the concept is to approach development with a plan to repurpose 80 percent of the media, quizzes, interactions, and designs you create. As you do this, you begin to establish processes, templates, and libraries that can be used to rapidly...