a7916f0f_About_the_Grade_Center_Grade_Center_Interactions_Interaction
[Tool/Component] Course Content [Interaction] 
When you create gradable items in your course, such as gradable journals, blogs, wikis, Discussion Board items, tests, and assignments, a grade column is created automatically in the Grade Center. For example, when you create a journal, you can select the grading option. A grade column is created automatically in the Grade Center with the name of the journal.
About the Grade Center
Interaction