A determiner also called determinative , is a word, phrase or affix that occurs together with a noun or noun phrase and serves to express the reference of that noun or noun phrase in the context. That is, a determiner may indicate whether the noun is referring to a definite or indefinite element of a class, to a closer or more distant element, to an element belonging to a specified person or thing, to a particular number or quantity, etc. Common kinds of determiners include definite and indefinite artccles (like the English the and a or an), demonstratives (this and that), possessive detreminers (my and their), cardinal numbers, distributive determiners (many, few and several), distributive determiners (each, any), and interrogative determiners (which).