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....
Make sure you are on the Main Slide Master (the one at the very top in the left column). Click on the edge of the Title text box, then go to the Drawing Tools Format Ribbon. Click on the Edit Shape button, then choose Change Shape, and pick the style you would like.