boy

In a sentence

• Le garçon joue dans le parc.

  The boy is playing in the park.

  Here, 'garçon' is used as a noun referring to a young male child, specifically a boy.

• Ce garçon est très intelligent.

  This boy is very intelligent.

  In this sentence, 'garçon' describes a specific young male child who possesses intelligence, used as a noun.

• Quand il était garçon, il aimait jouer au football.

  When he was a boy, he liked to play football.

  Here, 'garçon' is used to indicate a previous stage of someone's life as a young male child.