A system and method associated with the movement of a limb. An exemplary file management machine includes a file management server configured to receive or retrieve user files through an electronic communicationcomputer network to provide categorical organization and establishment of albums. A plurality of first concaves and a plurality of second concaves are formed on the substrate, wherein a volume of each first concave is different from a volume of each second concave. Also included is an XSLT processor configured to obtain a stylesheet identified in the XML data stream from a stylesheet repository.