Service Catalog terms The Service Catalog application uses these terms. Execution Plans Define how something gets delivered. For example, a PDA could go through procurement / activation / and installation of the desktop software. Execution Plan Tasks Plan Tasks represent a step in the Execution Plan, are associated with a Fulfillment Group, and have an approximate duration. Fulfillment Groups Fulfillment Groups work execution tasks. For example, one group can activate a cell phone while a different group installs the desktop software. Tickets Tickets represent work done by Fulfillment Groups as part of an Execution Plan.