Storyboarding is used to plan visually, not write detailed scripts. The filmmaker didn't write a script, but made a storyboard to share his vision.
Pro Tip 2/3
Pre-Production Tool
Storyboards are important in pre-production, before actual filming or animating begins. The production team reviewed the storyboard to understand the sequence of scenes.
Pro Tip 3/3
Communication Aid
Storyboards assist filmmakers in communicating their ideas to the crew and cast. The director shared the storyboard to explain the camera angles.