What is a Safe Zone and where is it located on the field?

I read the competition rules and I still cannot completely understand what a safe zone is. Can someone explain what and where a safe zone is in Tower Takeover. Thanks!

If you look at an image of the field, you’ll see lines of white tape in some corners of the field. There are two safe zones. They are both located near the colored tiles of your alliance. The outer safe zone is the larger area that encompasses both colored tiles and the goal zone inside. If you are a blue robot and are fully inside your outer safe zone (safe zone with blue colored tiles), the red robot may not come in contact with your robot at all. That is an immediate DQ, no questions asked. The inner safe zone is the smaller area marked by the tape that only encompasses the goal zone a few inches outside of that. No robots of the opposing color may even enter the inner safe zone. Ex. A red robot may never enter the blue inner safe zone.

Edit: Here’s an image of the field: https://www.google.com/search?q=vex+tower+takeover&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiTtqm-mtriAhXunuAKHa0JBnQQ_AUIESgC&biw=1366&bih=663#imgrc=IYNkRXpWu-2FfM: