If you want any action then click on action field buttons

If you want Add Subject then click on + icon

Add Periodic Title

Select start time and end time

Add Sort Order

Click on Submit Button

If you Want to go back then click on back button

Edit Periodic Title

Edit start time and end time

Edit Sort Order

Click on Submit Button

If you Want to go back then click on back button

Click On delete Icon which you want to delete

Click on Yes delete it!