In what way is language arbitrary?

Anarrative is a blank that recounts an event or an experience

Which lines foreshadow macbeths eventual killing of the king

Rev. simon hosack] entered fully into the feeling of suffering and sorrow which took possession of me when i discovered that a girl weighed less in the scale of being than a boy, and he praised my determination to prove the contrary. which best describes society's view of boys' and girls' abilities during the period in which elizabeth cady stanton lived?