A.
Graphics[{Arrow[{{-0.5,0.5},{0,0},{0.75,0.75}}],Thick,Purple}]
B.
Graphics[{Thick,Purple,Arrow[{{-0.5,0.5},{0,0},{0.75,0.75}}]}]
C.
Graphics[{Thick,Purple,Arrow[{{0,0},{-0.5,0.5},{0.75,0.75}}]}]
D.
Graphics[{Thick,Purple,Arrow[{{-0.5,0.5},{0.75,0.75},{0,0}}]}]