Noun arrow has 2 senses
  1. arrow, pointer - a mark to indicate a direction or relation
    --1 is a kind of mark
    --1 has parts: shaft; point, head
  2. arrow - a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow
    --2 is a kind of
    projectile, missile
    --2 is a part of bow and arrow
    --2 has part: arrowhead
    --2 has particulars: broad arrow; butt shaft; quarrel