The mark consists of four 250 by 250 pixels squares that form a 500 by 500 pixel square that consist of outlines. A stylized capital letter "D" in the arial black font is centered in the middle of the 500 by 500 pixel square overlapping the four 250 by 250 pixel squares.
Design plus words, letters, and/or numbers
Color is not claimed as a feature of the mark.
Squares comprised of letters, numerals or punctuation and letters, numerals or punctuation forming the perimeter of a square or bordering the perimeter of a square , Squares that are completely or partially shaded