3, the use of Transform Palette positioning coordinates of the target alignment
On the drawing board in the A4, the origin of the coordinates of the lower-left corner is 0,0, the path of any one anchor can be used to locate coordinates.

choose an object, click the Transform transfer of reference points on the board, you can display the coordinates of the reference point value, enter the X, Y positioning of the value object.

4, Align Palette - Align object

alignment button object from left to right are: the level of left-justified, the middle level of alignment, the level of the right alignment, vertical top alignment, vertical center alignment, vertical alignment at the end.
Left-justified at the level of the left-most object is the object-based and other similar alignment, center alignment is based on the level of the average of the selected object as the central alignment.
If you want to an object based on the object and then click in the base object (in the case of holding down the Shift key to select more than one object, then hold down the Ctrl key and then click the base object), then click the target button while Align the base object.

Right-aligned to the right when the object alignment based on a round-based option to right-justified at the time

to consider if the alignment of the thickness of strokes, select Palette Menu Triangle - the border use the preview:

Stroke thickness is not different from the path of the border the right to use Preview to preview the border alignment using Align right

drawing board as the base alignment, then Triangle Palette menu choice - align to the drawing board, then click the Align button. Click on the middle level, such as alignment and vertical alignment center, the center in the drawing board.