Graffiti Graffiti Graffiti (both singular and plural; the singular "graffito" is very rare in English except in archeology) is writing or drawings made on a wall or other surface, usually without permission and within public view. Graffiti ranges from simple written words to elaborate wall paintings, and it has existed since ancient times, with examples dating back to ancient Egypt, ancient Greece, and the Roman Empire. In modern times, paint (particularly spray paint) and marker pens have become the most commonly used graffiti materials. In most countries, marking or painting property without the property owner's permission is considered defacement and vandalism,
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