In Microsoft D365FO implementations, there are many business processes involved that contain several scenarios and potentially many requirements per scenario. Also, a relationship/connection exists among them. To closely manage these many-to-many requirement relationships, formulating a comprehensive network of requirements for a process is a must for a project's success.
One easy way of remembering this could be by using the following definition: The RTM is a single repository/document that collects all the requirements, their relationship with other requirements, and their role in business processes – all pertinent information related to the solution, its development, and go-live.
The RTM is one live matrix that should be kept up to date throughout the lifecycle of the project and is often used by the project manager to re-baseline...