There is a hierarchy of terms used to describe the components:

1. Curriculum, meaning a group of courses at an institution
   1. Course, meaning a group of related instructional classes over a period of time
      1. Curriculum Component, meaning the outline and materials covering a specific set of health IT content areas used to develop a course
         1. Unitof a component, meaning a lesson or set of lessons on a topic
            1. (1) Element of a unit, such as a lecture or activity