3. Trac Borders
I like to think of trac borders as "borders of one", since in this case, each upright works separately, and does not join another one along it's way, as in rod borders and plait borders. These types of borders may be the easiest, simplest borders to make, but can also be quite complicated and confusing. They can have a plain and simple look to them, but can also have an over-the-top, decorative look, so, a lot of versatility.