6. The method of claim 1 , wherein a plurality of customization levels are associated with the first metadata document, and wherein the first customization corresponds to a tip customization level, the tip customization level being that last customization level in the plurality of customization levels to be applied to the first metadata document.
6. The method of claim 1 , wherein a plurality of customization levels are associated with the first metadata document, and wherein the first customization corresponds to a tip customization level, the tip customization level being that last customization level in the plurality of customization levels to be applied to the first metadata document. 8. The method of claim 6 , wherein if a customization does not already exist for the tip customization level, the one or more customizations are added to a newly created customization.