The text discusses the process of building composable user interface components using Bit, focusing on creating a user-card component for the bit.cloud platform and extending it to form an employee-card and later a developer card. It emphasizes the benefits of using independent, modular components similar to plugging in and out parts like a Lego set, which enhances scalability and flexibility compared to monolithic structures. The approach allows for easy extension to the right and bottom of components using CSS flexbox properties, enabling dynamic and adaptable layouts. By implementing a structured API with a plugins array, developers can insert additional components seamlessly, fostering collaborative development where different teams can work on and share independently versioned plugins across projects. This method not only supports innovation and teamwork but also ensures that each team has the autonomy to update or maintain the versions of plugins they use.