FIG. 1 is a perspective view of a first embodiment of a furniture unit; FIG. 2 is a front elevational view of the first embodiment of the furniture unit; FIG. 3 is a rear elevational view of the first embodiment of the furniture unit; FIG. 4 is a top elevational view of the first embodiment of the furniture unit; FIG. 5 is a bottom elevational view of the first embodiment of the furniture unit; FIG. 6 is a side elevational view of the first embodiment of the furniture unit; FIG. 7 is a side elevational view of the first embodiment of the furniture unit; FIG. 8 is a perspective view of a second embodiment of a furniture unit; FIG. 9 is a front elevational view of the second embodiment of the furniture unit; FIG. 10 is a rear elevational view of the second embodiment of the furniture unit; FIG. 11 is a top elevational view of the second embodiment of the furniture unit; FIG. 12 is a bottom elevational view of the second embodiment of the furniture unit; FIG. 13 is a side elevational view of the second embodiment of the furniture unit; FIG. 14 is a side elevational view of the second embodiment of the furniture unit; FIG. 15 is a perspective view of a third embodiment of a furniture unit; FIG. 16 is a front elevational view of the third embodiment of the furniture unit; FIG. 17 is a rear elevational view of the third embodiment of the furniture unit; FIG. 18 is a top elevational view of the third embodiment of the furniture unit; FIG. 19 is a bottom elevational view of the third embodiment of the furniture unit; FIG. 20 is a side elevational view of the third embodiment of the furniture unit; and, FIG. 21 is a side elevational view of the third embodiment of the furniture unit.