banner | sign | decal
A banner is a flag or other piece of cloth bearing a symbol, logo, slogan or other message. A flag whose design is the same as the shield in a coat of arms (but usually in a square or rectangular shape) is called a banner of arms.
Banner-making is an ancient craft. Church banners commonly portray the saint to whom the church is dedicated.
A sign is an object, quality, event, or entity whose presence or occurrence indicates the probable presence or occurrence of something else.A natural sign bears a causal relation to its object—for instance, thunder is a sign of storm, or medical symptoms signify a disease. A conventional sign signifies by agreement, as a full stop signifies the end of a sentence; similarly the words and expressions of a language, as well as bodily gestures, can be regarded as signs, expressing particular meanings. The physical objects most commonly referred to as signs (notices, road signs, etc., collectively known as signage) generally inform or instruct using written text, symbols, pictures or a combination of these.
The philosophical study of signs and symbols is called semiotics; this includes the study of semiosis, which is the way in which signs (in the semiotic sense) operate.
A decal (/ˈdiːkæl/, /dɨˈkæl/, or /ˈdɛkəl/) or transfer is a plastic, cloth, paper or ceramic substrate that has printed on it a pattern or image that can be moved to another surface upon contact, usually with the aid of heat or water.
The word is short for decalcomania, which is the English version of the French word décalcomanie.
The technique was invented by Simon François Ravenet, an engraver from France who later moved to England and perfected the process he called "décalquer" (which means to copy by tracing); it became widespread during the decal craze of the late 19th century.
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