The Client-Server Model is a network architecture where clients request resources from a central server. In this model, the client is typically a web browser or application that interacts with the server, which hosts the data and services. The server processes client requests, performs necessary operations, and returns the requested resources or responses. This model underpins much of web application development, with clients handling the user interface and servers managing the business logic, database interactions, and data storage. The client-server model promotes modularity, scalability, and centralized control of resources.