[Solved] A matrix organization which requires employees to report to both a functional and a project manager violates Fayol's unity of direction. Document: Refers to a written, typed, or electronic piece of information that provides evidence, records, or information on a particular topic, subject, or event. Technical Documents: Written materials that explain complex information, procedures, or specifications, often related to technological or specialized fields. Cultures: The characteristics, knowledge, and practices shared by a group of people, including language, customs, values, art, and social norms. Invisible Writing: Text that is hidden or not immediately visible to the naked eye, used in various contexts such as security, entertainment, or information hiding.