The document discusses event categorization and the Event Management Body of Knowledge (EMBOK). It describes two main perspectives for categorizing events: 1) The EMBOK perspective, which focuses on functional domains like design, marketing, logistics etc. 2) Categorizing events based on size/scale or form and content. Under size/scale it describes mega, hallmark, major and local events. Form/content categories include MICE, sports, and festivals. It provides examples for each. The document then focuses on the design domain of EMBOK and considers factors to select a conference speaker under the content design management function.