You can navigate a couple of different ways within Moodle.
1. You can navigate using the Moodle Tabs that is featured on the top left-hand side of Trine University's Moodle Home page. 

2.  You are already on the Home Moodle page so clicking on "My courses" will bring you to a list of the courses that you presently taking. You can also change the filer to view future or past courses.

3. Once you click on a course, you will have an additional form of navigation where you can access materials and assignments in the course