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• Items produced, issued, or worn to commemorate a person, event, or occasion. For structures erected to preserve the memory of persons or events, use

• Transparent positive images made or mounted on glass for projection, usually but not necessarily photographic, measuring 3 1/4 to 3 1/2 by 4 inches for projection onto a screen by means of a specialized projector.

• Standard size and format for consumer-level analog recording on videotape cassettes. Describes a videotape one-half inches in width (12.7mm); this videotape format, known primarily as VHS (Video Home System), was developed in the 1970s for use with home videocassette recorders. It contains 240 lines of horizontal resolution.

• Consumer-level analog videocassette magnetic tape recording format developed by Sony, released in 1975.
• Also sometimes referred to as L-750s

Use for: Data sets

• Information, especially digital information. In common usage in computer science, used as a singular noun to refer to information that exists in a form that may be used by a computer, excluding the program code. In the sciences and other contexts, "datum" is the singular and "data" is the plural, referring to facts or numbers in a general sense. For general reference to facts, use "information."

• Pieces of wood, paper, cord, cloth, or another material dipped in melted sulfur, phosphorus, or another composition that is readily ignited by friction with a flint or when rubbed against a roughened surface, or when brought into contact with a chemical reagent. Sulfur matches were recorded in China by the 6th century. The first modern, self-igniting match was invented in 1805 by Jean Chancel.

• Film genre that presents fact and real situations and people rather than fiction. They typically feature the people, places, and events who are the subjects of the film, rather than actors or sets. Early examples were influenced by television news and used portable cameras.

• Literature written by travelers, typically describing interesting or exotic places, the inhabitants, and adventures; often illustrated. The genre differs from "travel guidebooks" in not necessarily advising about lodging, food, and sights to see.

• Drawings of architecture and drawings for architectural projects, whether the project was executed or not. The term may also refer to any image in a two-dimensional medium that serves this same purpose, including prints and computer images.

• Lists documenting persons or organizations from which a repository or institution has received gifts or donations.

• Cartoons which act as visual satire, combining exaggerated caricature with political statements. The form became popular in French graphic art during the 19th century, particularly with artist Honoré Daumier.