Signage refers to visual graphics that display information to an audience. Signs come in various forms and sizes depending on their location and purpose, ranging from banners and billboards to street signs. Common materials used for signs include acrylic, aluminum, plastic, and vinyl. Sign shapes like rectangles, circles and triangles are used to convey different types of information like directions, warnings, and regulations. Signage serves purposes like providing information, directions, identification, safety instructions and rules. Newer signage options include digital, LED, neon and 3D signs.