The ornamental design for a tile, as shown and described.
FIG. 1 is a front perspective view of a tile of our new design, showing the tile assembled with a plurality of tiles;
FIG. 2 is a front perspective view of the tile shown by itself;
FIG. 3 is a rear perspective view of the tile;
FIG. 4 is a bottom plan view of the tile;
FIG. 5 is a top plan view of the tile;
FIG. 6 is a left elevation view of the tile;
FIG. 7 is a right elevation view of the tile;
FIG. 8 is a front view of the tile; and,
FIG. 9 is a rear view of the tile.
The broken lines on the tile itself depict portions of the tile that form no part of the claimed design. The broken lines in FIG. 1 depicting additional tiles illustrate environmental subject matter that form no part of the claimed design.