This document defines and compares different types of informational materials: banners, pamphlets, brochures, and leaflets. Banners display symbols and slogans to advertise or promote events. Pamphlets provide more detailed information on a topic in an unbound booklet format. Brochures introduce organizations, products, or services with short, focused information and attractive design. Leaflets are designed to be handed out to grab people's attention and advertise events, provide information, or draw attention to causes through open letters.