What is the meaning of vertical?

noun

• Something that is oriented vertically.
• A vertical structural member as a post or stake.
  • usage: "the ball sailed between the uprights"
  • synonyms: upright

adjective

• At right angles to the plane of the horizon or a base line.
  • usage: "a vertical camera angle"; "the monument consists of two vertical pillars supporting a horizontal slab"; "measure the perpendicular height"
  • synonyms: perpendicular
• Relating to or involving all stages of a business from production to distribution.
• Upright in position or posture.
  • usage: "an erect stature"; "erect flower stalks"; "for a dog, an erect tail indicates aggression"; "a column still vertical amid the ruins"; "he sat bolt upright"
  • synonyms: erect, upright
• Of or relating to different levels in a hierarchy (as levels of social class or income group. )
  • usage: "vertical social mobility"