أل (أداة التعريف)

أَلْ (أداة التعريف)‏ \ the: used with a noun, naming sb. or sth. that is already known; used like this with the pronoun one: I want that book. Which book? The book (or The one) that you promised to lend me., Used also with the names of some countries or areas: the Sudan; the Middle East.