All of this is customizable...
Learn to use the developers tools in your admin > tools area.
Search for a string that you want to move, edit or?? mostly will be in the all catalog files area for these types of changes.
You are using an older version of Zen Cart, one based on nested tables, There are advantages to tables but these are some that I never mastered. For many other readons you should condsider upgrading sooner than later after you have made a large investment in styling.
With the new version these things are div based mostly and can be manipulated in an easier manner for myself.
If you stay with your current version, there are still some around that can assist you.