Design Docs is a community resource provided by Eraser that offers a library of over 1000 curated design doc examples and templates from more than 40 leading engineering organizations and open source projects. These lightweight planning documents are written before implementing code to solicit feedback, derive alignment, and create documentation. In addition to design docs, RFCs are also discussed, which are a type of design doc that emphasizes broad solicitation of input. The article goes on to discuss why to write design docs, when to write them, and what makes a good design doc. Overall, Design Docs provides a valuable resource for those looking to improve their planning and documentation processes.