Edit Menu: Select

select all object: select all the objects in the current workspace

select all the unselected: select all the unselected objects in current workspace.

delete selected object: Delete current selected objects.

lock picked object: It means that you can't edit any of the current objects, and there will be some lock icons around the object.

Unlock picked object: Release the locked object that is currently selected.

unlock all object: Remove all locked objects.

put to origin: Indicates that the selected object is placed at the original point.

the x center is placed on the Y axis: The center coordinates of the X direction representing the selected objects are placed on the Y axis.

the y center is placed on the X axis: The center coordinates of the Y direction representing the selected objects are placed on the X axis.

Mirror X: Represents the vertical centerline image of the currently selected object.

Mirror Y: Represents the horizontal centerline image of the currently selected object.

Rotate

angle: Indicates the angle at which the currently selected object is to be rotated.

center: Indicates the center point of the currently selected object to be rotated.

Relative center: Click it, rotate center is object center.

Apply to copy object: Copy the current selection and rotate it to a new location.

3D: Current selected object rotate relative to axis x, y, z, click 3D pop up window in fig above. As follow fig below show.