begin {scope}[color=OrangeD]
draw [-] plot[smooth, tension=.7] coordinates {(-5.25,1) (-5.15,1.15) (-4.8,1.3) (-4.6,1.6) (-4.3,1.7) (-4.05,2.05) (-3.75,2.1)};
draw [-](-3.9,2.3) node (v2) {} -- +(0.55,-0.05) -- +(0.5,-0.65) -- +(0.35,-0.45) node (v1) {};
draw [-] plot[smooth, tension=.7] coordinates {(v1) (-3.8,1.8) (-4.05,1.45) (-4.35,1.35) (-4.5,1.05) (-4.9,0.9) (-5.05,0.65)};
draw [-](-3.75,2.1)--(-3.9,2.3);
end{scope}

documentclass[border=5mm]{standalone}
usepackage{tikz}
begin{document}
begin{tikzpicture}
begin {scope}[draw=orange,fill=blue,ultra thick]
draw     (0,0)  rectangle ++(1,0.5) node [below right] {texttt{textbackslash draw}};
fill     (0,-1) rectangle ++(1,0.5) node [below right] {texttt{textbackslash fill}};
filldraw (0,-2) rectangle ++(1,0.5) node [below right] {texttt{textbackslash filldraw}};
end{scope}
end{tikzpicture}
end{document}

begin {scope}[
  every path/.append style={draw=orange,fill=blue},
  ultra thick,xshift=3cm]
draw     (0,0)  rectangle ++(1,0.5) node [below right] {texttt{textbackslash draw}};
fill     (0,-1) rectangle ++(1,0.5) node [below right] {texttt{textbackslash fill}};
filldraw (0,-2) rectangle ++(1,0.5) node [below right] {texttt{textbackslash filldraw}};
end{scope}

filldraw [draw=orange,fill=blue]
 plot[smooth, tension=.7] coordinates {(-5.25,1) (-5.15,1.15) (-4.8,1.3) (-4.6,1.6) (-4.3,1.7) (-4.05,2.05) (-3.75,2.1)}
 --(-3.9,2.3) node (v2) {} -- +(0.55,-0.05) -- +(0.5,-0.65) -- +(0.35,-0.45) node (v1) {}
-- plot[smooth, tension=.7] coordinates {(v1) (-3.8,1.8) (-4.05,1.45) (-4.35,1.35) (-4.5,1.05) (-4.9,0.9) (-5.05,0.65)};