Abstract: A portable, handheld communication device for rapid retrieval of computerized information, the device having a generally rectangular shape with a display screen on one side that has a frame with an ergonomic placement of finger controls including a pair of thumb controls on either side of the screen and a pair of finger controls on the top of the display with at least one of the finger controls being a cursor or pointer control.

Abstract: A visual reference structure for a computer database for retrieval of information objects in the database, the reference structure is formed of discrete cell blocks that are assembled into a three dimensional structure having sixteen cubes containing one million cell blocks, seven plates containing one hundred thousand cell blocks, seven strings containing ten thousand cell blocks, seven cubes containing one thousand cell blocks, two plates containing one hundred cell blocks and a string of sixteen cell blocks, for a total of 16,777,216 cell blocks, the reference structure preferably providing locations for picoblocks which are bit cubes containing a maximum of 343 bits, and being displayable in the display of a computer.