Imagine designing a building simply by describing it out loud. Instead of wrestling with complex software, you just tell your computer what you want, and it appears on the screen. That's the promise of speech-to-BIM, a fascinating area of research that's rapidly bridging the gap between human language and architectural design. Building Information Modeling (BIM) has revolutionized architecture, but it's often complex and requires users to learn a plethora of commands. This research introduces a generalized framework for building AI-powered BIM systems that understand natural language, specifically focusing on a speech-to-BIM application called NADIA-S. This system leverages Large Language Models (LLMs), the same technology behind AI assistants like ChatGPT, to interpret spoken instructions and translate them into actions within BIM software. The framework involves six steps: interpreting the spoken command, filling in any missing information, matching natural language terms with BIM objects, structuring the information into a machine-readable format, executing the task within the BIM software, and finally, checking the validity of the results. Think of it like having an incredibly intelligent intern who understands both architectural jargon and the intricacies of BIM software. You can tell NADIA-S to "create an exterior wall for Alaska," and it will not only generate the wall but also consider Alaska's climate and suggest appropriate insulation and materials. The researchers tested NADIA-S by giving it a series of detailed wall design prompts and found it significantly outperformed previous systems in both accuracy and efficiency. While this research focused on wall design, the implications are much broader. Imagine a future where architects can effortlessly design complex structures, contractors can request instant material estimates, and clients can visualize their dream homes in real-time, all through the power of conversation. This framework paves the way for a more intuitive and accessible approach to BIM, empowering architects and other AEC professionals to design and build more effectively.