1. A method in a data processing system for maintaining a record of set-creating activities and associated sets, comprising the method sets of: creating a textual record of set-creating search queries and associated search result sets; creating and displaying a plurality of visual representations, separate from said textual record of set-creating search queries and associated search result sets, which comprise a plurality of icons, one for each of said set-creating search queries, each consisting of at least an image; and arranging said visual representations to indicate a hierarchical relationship within said set-creating search queries.