Represents an arrow graphics primitive
Arrow[{pt1, pt2}]
Arrow[{pt1, pt2}, s]
Arrow[{pt1, pt2}, {s1, s2}]
Arrow[curve, …]
Graphics[Arrow[{{1, 0}, {2, 1}, {3, 0}, {4, 1}}]]
→ -Graphics-Graphics3D[Arrow[{{1, 1, -1}, {2, 2, 0}, {3, 3, -1}, {4, 4, 0}}]]
→ -Graphics3D-Graphics3D[{Red, Arrowheads[0.1], Arrow[Tube[{{1, 1, -1}, {2, 2, 0}, {3, 3, -1}, {4, 4, 0}}, 0.05]]}]
→ -Graphics3D-