The Summary tab provides you with a single-page view of the project you are working on. For business projects, it provides an activity view, which will display the latest activities that are happening in the project, and a statistics view, which provides you with a number of useful breakdowns of the issues within the project. For example, Unresolved: By Assignee lets you know how many open issues are assigned to each user, allowing the project team to better plan their resource allocation, as shown in the following screenshot: