13. A method for visually indicating on a display those documents that have been copied from one axis of documents to another axis of documents based on a user-selected attribute, the method comprising: (a) displaying a first group of documents in a first display area of a display such that the group of documents defines at least a portion of a first axis of documents at least some of the first group of documents being associated with one or more attributes; (b) with respect to a first user-selected attribute of one of the first group of documents that is associated with one or more attributes, (i) receiving user input representing the first user-selected attribute; (ii) copying to a second display area of the display documents of the first group of documents that have the first user-selected attribute, said copying resulting in the copied documents defining at least a portion of a second axis of documents, at least portions of the first axis and second axis being concurrently displayed; and (iii) displaying for a predetermined period of time a visual distinctive feature with documents of the first group that are copied to the second axis; whereby a user is able to visualize which documents along the first axis have been copied to the second axis; and (c) with respect to a second user-selected attribute of one of the first group of documents that is associated with one or more attributes, (i) receiving user input representing the second user-selected attribute; (ii) copying documents of the first group of documents that have the second user-selected attribute, said copying resulting in the copied documents defining at least a portion of a third axis of documents, at least portions of the first axis and third axis being concurrently displayed; and (iii) displaying for a predetermined period of time a visual distinctive feature with documents of the first group that are copied to the third axis; whereby a user is able to visualize which documents along the first axis have been copied to the third axis.
13. A method for visually indicating on a display those documents that have been copied from one axis of documents to another axis of documents based on a user-selected attribute, the method comprising: (a) displaying a first group of documents in a first display area of a display such that the group of documents defines at least a portion of a first axis of documents at least some of the first group of documents being associated with one or more attributes; (b) with respect to a first user-selected attribute of one of the first group of documents that is associated with one or more attributes, (i) receiving user input representing the first user-selected attribute; (ii) copying to a second display area of the display documents of the first group of documents that have the first user-selected attribute, said copying resulting in the copied documents defining at least a portion of a second axis of documents, at least portions of the first axis and second axis being concurrently displayed; and (iii) displaying for a predetermined period of time a visual distinctive feature with documents of the first group that are copied to the second axis; whereby a user is able to visualize which documents along the first axis have been copied to the second axis; and (c) with respect to a second user-selected attribute of one of the first group of documents that is associated with one or more attributes, (i) receiving user input representing the second user-selected attribute; (ii) copying documents of the first group of documents that have the second user-selected attribute, said copying resulting in the copied documents defining at least a portion of a third axis of documents, at least portions of the first axis and third axis being concurrently displayed; and (iii) displaying for a predetermined period of time a visual distinctive feature with documents of the first group that are copied to the third axis; whereby a user is able to visualize which documents along the first axis have been copied to the third axis. 16. The method of claim 13 , further comprising displaying an animation showing a movement of one or more of documents that are copied from the first axis.