A template for implementing a 3-tier architecture in software development. The 3-tier architecture divides an application into three logical layers: presentation, business, and data. This template provides a structured approach to designing and developing applications by separating the user interface, business logic, and data access layers. By using this template, developers can create more modular, scalable, and maintainable applications. It includes guidelines, best practices, and common patterns for implementing each layer, making it easier to design and develop robust software solutions following the 3-tier architecture.