The provided sources collectively offer a comprehensive guide to crafting effective web platform explainers, specifically within the context of Google's Blink team. They define an explainer as a living design document that outlines proposed features in an accessible way, essential for gathering feedback and building consensus before standardization. The texts detail Google-specific practices, such as using a dedicated GitHub repository, requiring a Specification Mentor, and integrating with Chrome Status, while emphasizing the importance of iterating in the open and coordinating with standards bodies. Furthermore, the sources meticulously break down the expected structure of an explainer, covering crucial sections like introduction, goals, use cases, proposed solution, considered alternatives, and security/privacy considerations, and provide practical advice for clear and user-centric writing.