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This example consists of a rectangle, a circle, and a linear dimension.

Open the Selection Info palette to see the three objects listed.

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Selection Info- Constraints

The Constraints tab of the Selection Info palette shows what constraints have been applied, and to which objects they are applied.For details on constraints, see Constraining Geometry.This example consists of two lines and two circles. Three constraints were applied: the two lines are constrained to be parallel, the circles are constrained to be concentric, and a tangent constraint was applied to the outer circle and adjacent line.

1. Make sure the All icon is disabled at the top of the Selection Info palette. Select the outer line, which only has one constraint (parallel). In the Constraints tab, the PARALLEL constraint is listed, below which are listed the two lines to which the constraint applies.
   
2. Move the cursor over the PARALLEL constraint in the Constraints tab, and the two lines that have this constraint are highlighted.
   
3. Move the cursor over either line below PARALLEL. The relevant line is highlighted.
   
4. Now select the inner line, which has two constraints applied to it. These two constraints are listed: PARALLEL and TANGENT.
   
5. Now click All. The four objects (two lines, two circles) are listed, along with several blockmarks. These are the constraint markers themselves, which can be selected and deleted if you want to remove the constraint. In the Constraints tab, two items are listed for each constraint - one for each of the constrained objects.
   
6. Select any blockmark in the palette to see it highlighted onscreen (Highlighting must be enabled).