This document discusses using the EN15221 standard to categorize and classify facility management activities. It introduces EN15221 and explains that it provides a fixed structure and scope to classify primary and non-primary facility management activities, such as catering, cleaning, hospitality, procurement, IT, and human resources. The document also lists some ways EN15221 can be applied, including for cost reporting, organizational alignment, service catalogues, and benchmarking. It provides contact information for questions about EN15221.