The description of these behaviors is termed the mechanism. When scientists are not provided with such a mechanism, then a description of a process, it's explanation, or it's understanding, is questioned. Astrology does not work with mechanisms. It works with relationships, patterns, tendencies, and interpretations. It does not always give a yes or no answer.
I hate the Drawing Canvas and I understand that it's not backward compatible, so I never use it. To turn it off in Word 2002 and above, go to Tools 4 Options, General tab. Untick Automatically create drawing canvas....
Note Word displays gridlines only within the margins of the page, even though the grid may extend beyond the margins. To view the gridlines beyond the margins of the document, use this procedure. On the Insert tab, in the Illustrations group, click Shapes, and then click a shape. Click in the document.Under Drawing Tools, on the Format tab, in the Arrange group, click Align, and then click Grid Settings.In the Drawing Grid dialog box, do either of the following: Under Grid settings, in the Horizontal Spacing and Vertical Spacing boxes, enter the spacing you want between the horizontal or vertical drawing gridlines.rawing gridlines appear only in Print Layout view. On the View tab, in the Show/Hide group, select the Gridlines check box. You can change the spacing between gridlines and the starting point for gridlines. To temporarily override grid settings, press ALT as you drag or draw an object. Top of Page.