SOLUTIONS

BUILTIN MATHEMATICA SYMBOL
Arrow
Arrow[{pt_{1}, pt_{2}}]
is a graphics primitive that represents an arrow from to .
Arrow[{pt_{1}, pt_{2}}, s]
represents an arrow with its ends set back from and by a distance s.
Arrow[{pt_{1}, pt_{2}}, {s_{1}, s_{2}}]
sets back by from and from .
Arrow[curve, ...]
represents an arrow following the specified curve.
DetailsDetails
 Arrow can be used in both Graphics and Graphics3D (two and threedimensional graphics).
 The following curve specifications can be used in Graphics:

Line[...] piecewise line segments BezierCurve[...] composite Bezier curve BSplineCurve[...] Bspline curve JoinedCurve[...] joined curve object  The following curve specifications can be used in Graphics3D:

Line[...] piecewise line segments BezierCurve[...] composite Bezier curve BSplineCurve[...] Bspline curve Tube[...] tubed curve object  Arrow[Line[...]] is equivalent to Arrow[...]. Arrow[Tube[...]] yields a 3D arrow based on a tube.
 Arrow[{pt_{1}, pt_{2}, ...}] represents an arrow whose shaft passes through the sequence of points .
 The positions of points can be specified either in ordinary coordinates as , or in scaled coordinates as Scaled[{x, y}] or using ImageScaled or Offset. »
 The shaft of the arrow consists of a sequence of straight segments joining the specified points.
 Arrow[{pt_{1}, pt_{2}}] is drawn by default with its tail at and its head at .
 The form, orientation, and position of arrowheads can be specified by an Arrowheads directive. »
 Graphics directives such as RGBColor or Thickness apply to both the shaft and arrowhead elements of an arrow. »
 You can prevent directives from applying to an arrowhead by including explicit directives within the graphic used to specify the arrowhead.
 In Arrow[{pt_{1}, pt_{2}}, s] the setback distance s is measured in the ordinary coordinate system of the whole graphic, so that the arrow will just touch Disk[pt_{i}, s]. »
 If the whole graphic does not have AspectRatio>Automatic, then a specified arrow setback may correspond to different distances in different directions in the graphic.
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