الف

In a sentence

• أحببت كتاب ألف ليلة وليلة.

  I liked the book 'One Thousand and One Nights.'

  Here, 'ألف' is used as a numeral meaning 'one thousand,' referring to the title of the book.

• جمع ألف من الناس في الساحة.

  A thousand people gathered in the square.

  In this context, 'ألف' denotes a quantity, specifying the number of people gathered.

• الف كلمة تبدأ بحرف 'الألف'.

  One thousand words start with the letter 'Aleph'.

  'ألف' is used here both numerically ('one thousand') and phonetically (referring to the Arabic letter 'Aleph').