A foldable table may include a table top and legs that are movable between an extended position and a collapsed position. The antenna has radiation waveguides positioned in an array. The invention includes a data access layer having a second database, which maps visible attributes to the database attributes. The creation of additional administrative domains and the assignment of the delegation authority and edit authority can continue to an arbitrary level within the community. Various types of peripherals such a CD-ROM or DVD drive may be installed in the base of the stand. Specifically, the identifying of the terms reviews a hierarchical data tree, wherein nodes of the tree represent terms within the electronic documents.