Complementary use cases and features

I recently read some documents about the software development process and think that combining the use case (RUP) and feature (FDD) should be a very good way to control the demand and progress.

Use Cases emphasize requirements. A Use Case completes a task. Consider the interface, business logic, and data persistence layer;

Features are precisely the refinement of use cases, emphasizing the progress.

If the business logic of use cases is used to classify and manage features, the project progress can be easily controlled and the requirements can be ensured.

After the requirements put forward by business experts are affirmed by the project team, they only need to further understand the use cases, while the software manager must also understand the features. The main program element to implement features.