Adding group note offers you the ability to give everyone within your group the same note (group note) and include an individual personal note for each person. Once created and saved everyone with have the same group note with their own individual. You will be able to create you notes quickly and effectively.
** An Important step to remember once a group note has been started is it should be completed within this one action. This insures all participates in the group have received both the group and individual note
For additional help - Creating a Group Note (Video)