What is the meaning of border?

noun

• A line that indicates a boundary.
  • synonyms: boundary line, borderline, delimitation, mete
• The boundary line or the area immediately inside the boundary.
  • synonyms: margin, perimeter
• The boundary of a surface.
  • synonyms: edge
• A decorative recessed or relieved surface on an edge.
  • synonyms: molding, moulding
• A strip forming the outer edge of something.
  • usage: "the rug had a wide blue border"

verb

• Extend on all sides of simultaneously; encircle.
  • usage: "The forest surrounds my property"
  • synonyms: surround, environ, ring, skirt
• Form the boundary of; be contiguous to.
  • synonyms: bound
• Enclose in or as if in a frame.
  • usage: "frame a picture"
  • synonyms: frame, frame in
• Provide with a border or edge.
  • usage: "edge the tablecloth with embroidery"
  • synonyms: edge
• Lie adjacent to another or share a boundary.
  • usage: "Canada adjoins the U. S."; "England marches with Scotland"
  • synonyms: adjoin, edge, abut, march, butt, butt against, butt on