Time sheet policies are rules that control the creation and operation of time sheets. You can configure different time sheet policies, and then apply them to different resources individually as needed. For example, you may want to apply different time sheet policies to different resources depending on their business units or whether they are employees or contractors. Every resource is assigned a time sheet policy. One time sheet policy serves as the default (global) time sheet policy.
A period type specifies the interval over which time sheets report the time that users worked on work items. The available period types are:
A time period (period) is a particular date range of a period type.
Charge codes are entities used as links between work items and charge accounts.
Activities are used to categorize work performed against a work item, such as design work or coding. Activities can also be used to classify work as depreciable for financial accounting.