To access the Elements page you need to use the left navigation bar, click on Administration and select Elements. 

When you're on the Elements page, you'll need to select options from three dropdown boxes. 
Select the department, the course and finally the competency that you wish to edit.

Enter the knowledge elements 1 line each. If editing the elements, simply make any required changes to the lines.

Be aware that each line in the text boxes will be transformed into an element row for the unit

Enter the practical elements, 1 per line

Click Save, Elements will be automatically setup with the appropriate codes and hours ready for training plans.