1. A DISPLAY ASSEMBLY INCLUDING A PLURALITY OF COMPONENTS FOR INTERENGAGEMENT IN DIFFERENT ARRANGEMENTS WHEREBY DISPLAYS OF DIFFERENT APPEARANCE AND FOR DIFFERENT ARTICLES MAY BE PRODUCED, COMPRISING: A PANEL INCLUDING AT LEAST TWO ANGULARLY RELATED PANEL AREAS, EACH HAVING A FRONT SURFACE AND A REAR SURFACE; A FLANGE STRUCTURE CARRIED BY AT LEAST ONE HORIZONTALLY EXTENDING MARGINAL PORTION OF SAID PANEL TENDING TO HOLD SAID PANEL AREAS IN FIXED ANGULARLY RELATED RELATION TO EACH OTHER; VERTICAL OUTSTANDING RIB PORTIONS DELINEATING VERTICAL MARGINS OF EACH OF SAID PANEL AREAS AND SPACING THE SAME, EACH PANEL AREA INCLUDING A PAIR OF ATTACHMENT PORTS ADJACENT THE RIBS DELINEATING SAID AREAS, A LOCKING SLOT LOCATED IN A PLANE ABOVE SAID PORTS, AND A LOCKING SLOT LOCATED BELOW SAID PORTS; A PLURALITY OF BACKLESS HOLDER COMPONENTS, EACH HAVING A FRONT, SIDES AND A BOTTOM, A PAIR OF REARWARDLY EXTENDING, LATERALLY SPACED HINGE LUGS ADAPTED TO EXTEND INTO ONE PAIR OF SPACED ATTACHMENT PORTS AND A REARWARDLY EXTENDING TONGUE PROVIDED WITH A DETENT ADAPTED TO EXTEND INTO A LOCKING SLOT BELOW SAID PORTS; SAID HINGE LUGS AND TONGUE BEING NARROWER THAN THE COOPERATING PORTS AND SLOT AND SAID TONGUE BEING LATERALLY DISPLACED TOWARD ONE SIDE OF SAID HOLDER COMPONENT WHEREBY A HOLDER COMPONENT MAY BE ATTACHED TO THE FRONT SURFACE AND ANOTHER TO THE REAR SURFACE OF THE SAME PANEL AREA BY COOPERATIVE ENGAGEMENT OF SAID LUGS AND TONGUES WITH THE PANEL ADJACENT SAID PORTS AND SLOT.