Modifiers matching mark:

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

Simple categories matching proprietary:

• content,
• marking,
• information,
• application,
• activity,
• area,
• nature,
• notice,
• database,
• way,
• part,
• right,
• space,
• scheme,
• system,
• protection,
• component,
• action,
• code,
• product,
• facility,
• identifier,
• medium,
• hardware,
• material,
• data,
• format,
• institution,
• software,
• mark,
• image,
• substance,
• process,
• knowledge,