ID number
From MoodleDocs
ID number can be found in the Common module settings area of many activity modules. It can be used in gradebook an unique id that is easier to type than the activity name.
Note: You are currently viewing documentation for Moodle 1.9. Up-to-date documentation for the latest stable version is available here: ID number.
ID number can be found in the Common module settings area of many activity modules. It can be used in gradebook an unique id that is easier to type than the activity name.