Image 1: New/Edit Item Form
From New/Edit Item form user can write a new message.
Image 2: View Item Form
Display Item form displays all messages.
Image 3: List View with date and user login
Discussion Column can display the message with date and user login.
Image 4: View Item Form without date and user login
Discussion Column can display messages without date and user login.
Image 5: List View without discussion history
User can disable showing discussion history in list view.
Image 6: Discussion Column Settings
These settings change displaying mode for list view and view item form.