What is the primary difference between navigating and submitting data?

The primary difference between navigating and submitting data lies in how these actions utilize HTTP methods. When you navigate, the data being transmitted is typically part of the URL, which makes use of the HTTP GET method. This method is designed for retrieving resources without any side effects on the server, meaning it does not change the state of the application.

On the other hand, when submitting data, particularly through forms or APIs, the HTTP POST method is employed. This method is used to send data to the server, often resulting in a change to the server's state (such as creating or updating a resource). POST requests include the data in the body of the request rather than in the URL, allowing for the transmission of larger amounts of data and more complex data structures.

Understanding the distinctions between these methods is crucial for web development, as it influences how applications manage and interact with data over the internet. The clarity in using GET for data retrieval (navigating) and POST for data submission reinforces best practices in RESTful service design.