It is used for Sales, Service and Marketing. Dashboards in Microsoft Dynamics CRM provide an overview of business data; actionable information that is viewable across the organization.
You can create two types of dashboard:
System Dashboard: A system dashboard is used provide the all users in the organization, and you can be set as the default dashboard for the Organization and you can be changed the default dashboard for the Organization.
User Dashboards: it is used according to user. An individual user owns a user dashboard. You can be assigned to other users or teams. A user dashboard can be set as the default dashboard for individual users.