Exhibit Milestone Items refer to items that relate to your exhibit booth, its construction, transportation, etc. Meeting Milestone Items refer to things that relate to an event in which you will exhibit, such as a specific trade show or convention.
The "List of Exhibit/Meeting Milestone Items" window is one of 16 Master Lists of commonly used data, necessary for successful exhibitor management. The Master Lists capture redundant data you will use again and again when creating the Master Reports.
