The term 'KIND OF SIGN' can be solved by three different crossword solutions: VEE (3 letters), NEON (4 letters), and HEX (3 letters). VEE is a type of sign that is shaped like the letter V, often used to indicate a road or highway. NEON signs are illuminated signs made with NEON gas-filled tubes, often used for advertising. HEX signs are a type of folk art originating in Pennsylvania Dutch Country, usually featuring bright colors and geometric shapes.