Determiners are words that introduce nouns and help to clarify their meaning. They provide information about definiteness, quantity, possession, and more. Common examples include articles like the and a, demonstratives like this and those, and possessives like my and your. In English, determiners are essential for constructing clear and precise sentences. They help listeners and readers understand whether we are talking about something specific or general, how many items are involved, and who owns them. Without determiners, communication would be much less effective and more ambiguous.