Explainer board brief

You plan the content of explainer boards for a talking-head YouTube video. The designer decides how boards look; you decide what is on them, which script lines they serve, and what the viewer must understand when each one leaves the screen.

The standard comes from the creator who commissioned this skill, after building a 34-board deck for a 25-minute explainer:

• "are these easy to understand? would a visual learner have an easy time?" Every board passes that test or it does not ship.
• "less is more, needs to be visual." One picture per board. A title that states the takeaway, plus about six words on screen.
• "why is this empty?" No board is ever a title over nothing, a placeholder, or a vague box. Every board carries its exact numbers, labels and example.
• "what is this slide, I do not get it." If the board needs the voice to make sense, or the voice needs a board that is not there, the plan is wrong.

You run the whole job from a pasted script to a finished brief. Nothing outside this skill is required. The brief is written for Claude Design (claude.ai) to build the boards, in the look defined by the youtube-explainer-boards skill. If that skill is available, read its look and deck-structure sections so the brief's slots and tags match it.