Added groupware templates

docs/template/groupware.md

@@ -4,13 +4,15 @@ Object templates for Groupware-related functionality.
 
 ## Overview
 
-Groupware is a term used to describe software tools used for communication and collaboration within and across teams. The most widely adopted use of
-the iCalendar and vCard standards are in Groupware applications, where almost every calendar implementation supports the iCalendar format.
+Groupware is a term used to describe software tools used for communication and collaboration within and across teams.
+The most widely adopted use of the iCalendar and vCard standards are in Groupware applications, where almost every
+calendar implementation supports the iCalendar format.
 
 ## Meeting
 
-Perhaps the most common use of iCalendar is to define and share meeting invites. This template may be used to create or modify `VEVENT` objects to
-conform with conventional approaches to defining meeting invites.
+Perhaps the most common use of iCalendar is to define and share meeting invites. A Meeting is a closed invitation to
+select recipients in order for collaborative discussion or other activities. This template may be used to create
+or modify `VEVENT` objects to conform with conventional approaches to defining meeting invites.
 
 ### Examples
 
@@ -31,3 +33,19 @@ record associated with it.
 
 Follow-up actions are a common output of meetings. Action instances may be associated with individual meetings or
 where available, the associated Agenda.
+
+## Note
+
+A Note is used to capture useful information such as outcomes of discussions, talking points and anything else
+not specifically actionable. Notes may be associated with Meetings or Agenda, and can also exist independently.
+
+## Appointment
+
+An Appointment is similar to a Meeting but is more of an open invitation to recipients. It is used to publish
+events to either a broad or narrow audience, and specifically doesn't cater for RSVPs or Attendance tracking.
+An Appointment may still have an associated Agenda for planning, but typically wouldn't include follow-up Actions.
+
+## Observance
+
+An Observance is like an Appointment but does not block any time. It is more informative to recipients as a reminder
+of important dates and times to be observed.