Graffiti it is a rapidly developing art form whose value is highly contested and reviled by many authorities while also subject to protection, sometimes within the same jurisdiction. Both "graffiti" and its occasional singular form "graffito" are from the Italian word "graffiato" ("scratched"). "Graffiti" is applied in art history to works of art produced by scratching a design into a surface. A related term is "sgraffito", which involves scratching through one layer of pigment to reveal another beneath it. This technique was primarily used by potters who would glaze their wares and then scratch a design into it. In ancient times
Data (word) using "data" for both singular and plural use, and others recommend treating it only as a singular in connection with computers. The IEEE Computer Society allows usage of "data" as either a mass noun or plural based on author preference, while IEEE in the editorial style manual indicates to always use the plural form. Some professional organizations and style guides require that authors treat "data" as a plural noun. For example, the Air Force Flight Test Center specifically states that the word "data" is always plural, never singular. Data (word) The word data has generated considerable controversy on whether it