Mean 'a, an, some' in English
Accompany a noun (all nouns in French have gender and number)
Agree in number (singular, plural) AND gender (masculine, feminine) with the noun
Learn articles with the nouns to remember gender
SINGULAR PLURAL MASCULINE un des FEMININE une des
Examples:
un livre = a book
une classe = a class
des livres = some books
des classes = some classes