Here is a video tutorial on WordPress’ Blogroll, how to add a link and how to manage a link.
Blogrolls typically link to the blogs you, as the blogger, read. However, depending upon what your goal is for your blog, you may want to rename it from blogroll to something else. This tutorial will show you how to rename your bogroll too.
If this was helpful, please feel free to leave a comment below. If you need a specific WordPress task documented, please let me know.