الـ

In a sentence

• الكتاب على الطاولة.

  The book is on the table.

  Here, "الـ" is used as the definite article, similar to "the" in English, indicating a specific book.

• السماء صافية اليوم.

  The sky is clear today.

  In this sentence, "الـ" is also used as a definite article, specifying a particular sky, generally referring to the sky in view.

• الطالبة جالسة في الفصل.

  The student is sitting in the class.

  "الـ" assigns definiteness to the noun, making it clear which student is being referred to—it could imply a previously mentioned or known student.