How To Write A Proposal For A Video Clip . Either way, plan for 125 to 150 words of dialogue per minute. We start with an overview giving a basic description of the project that’s a little more detailed than the introduction. Best Grant Proposal Illustrations, RoyaltyFree Vector Graphics & Clip from www.istockphoto.com Our video production brief template will also help you use insights to hook your target audience. Combine the stuff you learned in step 3 to those in step 1. Think ahead with a video full of inspiring questions this project is great for incoming freshmen.