The text explores the complexities and often ambiguous nature of defining terms like System Design, System Architecture, Software Design, and Software Architecture within the rapidly evolving field of software engineering. It highlights the challenges faced by an engineering team building Multiplayer, a tool aimed at simplifying debugging in distributed systems, and how they developed their own contextual definitions to facilitate clearer communication and understanding of their product. The text emphasizes the importance of a shared language and mental models while acknowledging the fluid boundaries and ongoing debates around these concepts, noting that system and software design span a spectrum from strategic to tactical activities. It further discusses distributed systems as a means to achieve scalability and high availability, while illustrating the distinctions between system and software design through the example of a web-based e-commerce application. The piece concludes by mentioning that Multiplayer offers session-based visibility to aid in debugging, inviting new users to explore its capabilities in a sandbox environment.