the focus of each section within the new system, Becoming familiar with the necessary workflows, functions and required input from the user, whether it's product data, images, user interaction or storing information etc... Stored information could be necessary at a later point or within another grouping of the system's functionality. When youn initially begin "going through a system" if the UX is good you will begin to formulate relationships between data points and a order or hierarchy will begin to emerge. Having had the ability to sit and watch many people explore User interfaces and watching their interactions with new and unfamiliar areas of a system can help a software engineer fine tune a software product which in turn helps the end user to find their way through the system, accomplishing the goal or completing the task for which the system was built to do.