Dynamics Portals: | ADX Portal Open Source now converted to Dynamics Portals |
Unified Service Desk: | Primarily used for building Support System |
PowerApps: | Dynamics CRM System is itself a PowerApp known as Modal Driven App. |
CDS: | Common Data Service is the base system for CRM. |
Model Driven App: | Every form in CRM out of box is Model Driven app. |
Canvas App: | Custom form. |