يده

In a sentence

• كان يمسك الكتاب بيده.

  He was holding the book in his hand.

  In this sentence, 'يده' refers explicitly to the literal hand of the subject used to hold an object.

• ساعدته بيده في العمل.

  She helped him with her hand in the work.

  Here, 'يده' illustrates the instrument or means through which assistance or action is performed, referring to the hand used to provide help.

• ترك أثرًا بيده على الجدار.

  He left an imprint with his hand on the wall.

  'يده' in this context signifies the action effect performed by the individual’s hand, emphasizing the physical contact leading to a visible result.