Marks are a form of visual communication used to convey information or ideas. SPOTS (5 letters) are small, round marks, SIGNS (5 letters) are SYMBOLS that represent an idea or concept, LINES (5 letters) are long, thin marks, DOTS (4 letters) are small, round marks, SYMBOLS (7 letters) are SIGNS that represent an idea or concept, Xes (3 letters) are two intersecting LINES, Tags (4 letters) are labels that identify something, DUPES (5 letters) are copies of something, Scars (5 letters) are marks left by injury or illness, Grades (6 letters) are marks given to indicate quality, STAINS (6 letters) are marks left by dirt or liquid, HYPHENS (7 letters) are short LINES used to join words, Notices (7 letters) are written announcements, and HamillHarmon (12 letters) is a type of mark used in music notation.