Category Nuances matching mark:

• diacritic,
• diacritical,
• identifiable,
• visible,
• grammatical,
• physical,
• colored,
• small,
• unique,
• permanent,
• proprietary,
• temporary,
• distinctive,
• fixed,
• visual,
• special,
• simple,
• opaque,

Members for simple category mark:

• brand,
• vowel_mark,
• stamp,
• accent,
• landmark,
• trademark,
• number,
• letter,
• ribbon,
• logo,
• imprint,
• indication,
• parenthesis,
• asterisk,
• tattoo_earmark,
• ear_tag,
• tape,
• colored_sticker,
• paint_mark,
• blade_mark,
• scar,
• tag,
• buoy,
• plus_sign,
• milepost_marker,
• white_spot,
• footprint,
• arrow,
• passport_stamp,
• mud_line,
• word,
• body_brand,
• wavy_line,
• large_peg,
• person_initial,
• serial_number,