The product is a Quick Reference Guide for mastering and using IBM Lotus 123 Release 3, 5. This guide is designed to help users learn and make the most out of the Lotus 123 software, providing tips, tricks, and insights for navigating and utilizing the different features and functions of the product. With a focus on the IBM Lotus brand and vintage computing, this guide serves as a valuable resource for those looking to enhance their skills in using this classic software program.