1. The example of the example example is the starting point for designing the new system using a unified modeling language. With an example to provide us with an overview of the system to seek the functionality of the system to provide the user. Use an example to prepare for the development team to explain what the customer expects what they want to develop. In this initial phase, we try to determine who is the user of the system, and what the user uses the system to complete. From the example of case, we can determine the interface required to use the system and the user.
