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) Data (word) The word data has generated considerable controversy on whether it is an uncountable noun used with verbs conjugated in the singular, or should be treated as the plural of the now-rarely-used "datum". In one sense, "data" is the plural form of "datum". "Datum" actually can also be a count noun with the plural "datums" (see usage in datum article) that can be used with cardinal numbers (e.g. "80 datums"); "data" (originally a Latin plural) is not used like a normal count noun with cardinal numbers and can be plural with such plural determiners as "these" and "many" or