MDriven is a powerful, model-driven development tool that is designed to streamline the process of creating and managing software applications, significantly removing the need for traditional coding practices. Here's a comprehensive breakdown of how MDriven works:

1. Model-Driven Development (MDD): At the core of MDriven is the concept of Model-Driven Development, where the primary focus is on creating a detailed and structured model of the application. This model defines the data structure, business logic, user interfaces, and more.
2. ViewModels and OCL (Object Constraint Language): MDriven uses ViewModels to define user interfaces and interactions. ViewModels are backed by OCL expressions that provide the logic to manipulate and retrieve data. This approach minimizes the amount of hand-written code needed, leveraging OCL for data queries and business rules.
3. Picklists and State Machines: MDriven supports state machines and picklists, which allow for complex behaviors and states within applications. Developers can define valid states, transitions, and conditions for state changes using state machines, providing a dynamic flow of logic in applications.
4. Automated Forms (AutoForms): The AutoForms feature allows for quick generation of forms based on the data structure and ViewModels. While it might initially seem limited to one level of nesting, it offers significant flexibility in how data is presented and interacted with.
5. MDriven Designer and Server: MDriven includes tools like the MDriven Designer for creating models and the MDriven Server for application deployment. The MDriven Server acts as a back-end platform where models are executed and data is managed.
6. Integration with .NET Framework: MDriven is deeply integrated within the .NET ecosystem, and updates or dependencies are often managed through NuGet packages. Users are encouraged to keep track of framework updates and dependencies, which can be complex but ensures compatibility and the latest features.
7. Learning and Support: For users new to MDriven or model-driven development in general, there are resources available, including documentation, forums, and support tickets. The MDriven community on platforms like StackOverflow can be particularly helpful for troubleshooting and exchanging ideas.

MDriven is designed to enhance productivity and enable rapid software development by focusing on designing robust models rather than extensive coding. This model-centric approach makes it a helpful tool for businesses looking to streamline application development processes.