There are three listed above terms that may be a bit confusing when starting to plan the big shindig. A celebration is in reference to a one time event, primarily in regards to milestones. For our example, we use corporate milestones, such as a grand opening. A party is a gathering that is usually felxible on duration length, as well as a guest list, and is usually held as a semi-private funcation or in a public space. An event is a large gathering of poeple that usually encombasese activities or event specific requirements, and often is restircited for time, budget, and requires thorough planning ahead of time.