The ornamental design for a desk, as shown and described.
FIG. 1 is a front perspective view of the desk showing the design;
FIG. 2 is a front elevation view thereof, the rear elevation view being a mirror image;
FIG. 3 is a sectional view taken along the section line 3—3 of FIG. 2;
FIG. 4 is a sectional view taken along the section line 4—4 of FIG. 2;
FIG. 5 is a sectional view taken along the section line 5—5 of FIG. 2;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a right elevation view thereof, the left elevation view being a mirror image in a standard configuration;
FIG. 9 is a sectional view taken along the section line 9—9 of FIG. 8, in which only the sectioned components are shown;
FIG. 10 is an expanded partial view of the desk;
FIG. 11 is a top plan view showing the desk in a modified arrangement, in which the side table is in an alternate position to that shown in FIGS. 1 to 10; and,
FIG. 12 is a top elevation view showing the desk in a modified arrangement, in which the side table is in an alternate position to that shown in FIGS. 1 to 10.
The broken lines are for environmental purposes only and form no part of the claimed design.