Activity Type is a list of different types of activities against which a Timesheet can be made.
To access Activity Type, go to,
Home > Projects > Time Tracking > Activity Type
Additionally, you can also add the Default Costing Rate and Default Billing Rate for each Activity.
Further, The Default Costing Rate and the Default Billing Rate for Individual Employees can also be configured. This can also be configured using Activity Cost.
By default, the following Activity Types are created in OneOfficeERP.