This document provides a functionality matrix to help select the appropriate edition and level of ArcGIS for Server. It describes the core functionality included in each edition such as support for spatially enabled databases, web services, and geoprocessing. It also provides examples of how different editions may be used in scenarios like supporting a large city government with advanced analysis, extensive data, and internal and public applications. The Enterprise Advanced edition is recommended for large organizations with many users and petabytes of imagery requiring advanced analysis.