Shows or hides the Information window, which lets you view and edit various properties of the picked objects.
The information windows displays information about the currently picked objects, and allows you to edit different properties.
To keep the information for an object visible
even if the object becomes unpicked, click the 
icon next to its name in
the information window.
Find information on IK handles
Create a constraint on an object
Constrain one object to another object
View or change the properties of objects and locators
Edit a label or measurement object
Draw keypoint lines parallel or at an angle to existing curves
Draw keypoint tangent or perpendicular to existing curves
Draw keypoint arcs in relation to existing curves
Shade a surface with its draft angles
