Which of the following best describes the concept of Application Composition in OutSystems?

The concept of Application Composition in OutSystems primarily involves assembling reusable modules and services to create a complete application. This approach emphasizes modularity, allowing developers to leverage pre-built components and services across different applications, significantly speeding up the development process. By using reusable components, teams can maintain consistency, reduce redundancy, and ensure easier maintenance and updates, as changes in a module can automatically propagate to all applications using it.

In addition, this method aligns well with OutSystems' low-code platform ethos, which focuses on enabling developers to quickly build applications by assembling rather than coding from scratch. It encourages efficient application development, scalability, and faster time-to-market for new features. Thus, choosing this description accurately reflects the essence of Application Composition in the OutSystems environment.