Global Notifications are used to inform the user of system level messages.
System messages: e.g. Account has been upgraded, new feature added. Background messages: e.g. Data import has successfully finished
System messages, e.g. Server status - is down Background messages: e.g. Data import failed
System messages, e.g. Logging in, To indicate demo data in use Background processes, e.g. Imported data is currently being processed
System messages, e.g. Unreliable network connection Background processes, e.g. Data import finished successfully, but may have problems
Inline notification: Inline notification appear within content areas as close as possible to the thing that it’s about. It is used for contextual information. \
Toast notification: Toast notification. It is used immediately after a specific event such as a user action that does not relate to an object on the page. For example, confirmation of deleted items.
Here are some examples of other existing design systems: