&functions=Main functions,Draw points,Draw lines,Draw circles,Other functions&
&drawangle=Draw angle notation&
&showobj=Show all hidden objects&
&hideobj=Hide selected objects&
&addlabel=Add object label (point, segment, line...)&
&remlabel=Remove object label&
&trackpoint=Track motion point&
&cleartrack=Clear all point tracking&
&drawmidpoint=Draw midpoint of segment&
&drawpoint=Draw point&
&drawsegment=Draw segment between 2 points&
&drawline=Draw line over 2 points&
&drawray=Draw ray over 2 points&
&drawparallel=Draw parallel line&
&drawperpendicular=Draw perpendicular line&
&drawcircle=Draw circle&
&drawcirclewithradius=Draw circle with radius&

&select_point=Select a point&
&select_segment_line_ray=Select a segment, line or ray&
&select_radius_segment=Select a radius segment&
&select_segment=Select a segment&
&select_first_line=Select the first line&
&select_second_line=Select the second line&
