## Chapter 1. The OLAT LMS implementation concepts

Summary

In this chapter you will learn which interaction design concepts have been implemented in OLAT and how the system architecture looks like on the business level. It shall provide guidance to developers of the open source community to ensure a consistent user interface. Code contributions complying with these concepts are more likely to be accepted for official releases. If you are interrested in the technical architecture and the development framework that is used to implement this abstract system architecture, please refer to the chapter Chapter 2, OLAT development framework overview