The mark consists of The overall shape is that of lines creating overlapping capital letters X, E, and N fully enclosed within a rectangle. The X is defined by the two diagonals of the rectangle. The E is defined by the top, left, and bottom sides of the rectangle along with a horizontal line from the midpoint of the left side to the intersection of the diagonals. The N is defined by the left and right side of the rectangle along with the diagonal that goes from the top left corner to the bottom right corner. The thinnest line is in the X on the diagonal that is from the bottom left to the top right. The three horizontal lines of the letter E are three times thicker than the thinnest line. All the lines of the letter N are six times thicker than the thinnest line. Various colors can be used for any of the line segments.