A template management system is essential for standardizing content presentation and facilitating the creation of reusable messages, which in turn streamlines content creation and maintains brand consistency across customer interactions. Effective template management empowers Product and Engineering teams to work efficiently and creatively, but poorly executed systems can create obstacles and amplify errors. Key considerations for building a robust template management system include accommodating both technical and non-technical users, allowing for code and visual editing, implementing error-prevention mechanisms, supporting multilingual content for localization, and ensuring templates are adaptable for reuse. Knock, a company specializing in template management, offers a flexible system that addresses these challenges by integrating features like Liquid-based templates, version control, testing, previews, and translation support, aiming to help users manage notifications effectively even at scale.