21. The non-transitory computer readable storage medium of claim 20 , wherein the value comprises a first number and wherein the plurality of matching attributes comprises a first attribute that matches the value and a second attribute that matches the value, wherein the first attribute comprises a first category associated with the first number, wherein the second attribute comprises a second category associated with the first number, and wherein a determination cannot be made by examining only the first number whether the first number should belong, as perceived by a user or a computer program, to the first category or to the second category.
21. The non-transitory computer readable storage medium of claim 20 , wherein the value comprises a first number and wherein the plurality of matching attributes comprises a first attribute that matches the value and a second attribute that matches the value, wherein the first attribute comprises a first category associated with the first number, wherein the second attribute comprises a second category associated with the first number, and wherein a determination cannot be made by examining only the first number whether the first number should belong, as perceived by a user or a computer program, to the first category or to the second category. 23. The non-transitory computer readable storage medium of claim 21 , wherein the computer readable code for displaying further comprises computer readable code for displaying a first category name for the first category and a second category name for the second category.