2. Pre-Production
Once the concept is solidified, it needs to be fleshed out. A story isn’t always involved, but adding some element of story or background always makes any concept more appealing. Documentation is key to include, as it gives everything structure. For an entire game, this is called the Game Design Document.
Storyboarding is often then one of the first key elements if someone is creating a full on movie or game. It can be often undervalued, but is key for helping to set a mood for the audience and the studio.