The Selections tab is where you specify any selections used by the tag or post effect. For example, here you can specify which UVW tags should be used for UVW lines.
Defines whether or not the edges and polygons defined in the Lines setting below should be included or excluded for rendering.
The Edge or Polygon Selection tags placed here define in general which lines should be drawn or omitted.
The polygon Selection tag placed here defines which Border should be drawn.
The edge Selection tag placed here defines which polygon edges will be drawn (Edges).
The UVW tag placed here defines which Contour will be drawn.
The polygon Selection tag placed here defines which region of the Motion Areas will be drawn (Number of Lines).