The document discusses organizing content into chunks based on principles of attention span and primacy-recency effect. It provides examples of how to break down content into the smallest units of a lesson, module, or curriculum guide. Factors to consider for chunking include learner age and attention span, as well as placing important information at the beginning and end of a learning episode. The document also provides guidance for creating short video lessons, including keeping them concise at 5-7 minutes, focusing on one main topic, and using familiar software while avoiding distracting animations or copyrighted content.