Why don't you look up pictures of flange, sash, binding, lattice, and border and see what is the best way to describe what you have in mind. From there, I am sure you can find people to help you with directions or tutorials on how to achieve that look.
Sometimes very narrow accent strips are best achieved by using paper piecing or another foundation method. Other times, they're appliqued on to the top. You may just have to experiment to find what works best for you.