Workspaces vs Applications

Hi ,
I use JDev10.1.2 and i try to understand the difference between organizing jpr files(projects) to workspaces and applications.
For both of them in the JDev doc :
In JDeveloper, you use the Application Navigator to keep track of the projects
(collections of logically related components) you use while developing your application.and
In JDeveloper, you use workspaces to keep track of the projects (collections
of related files) you use while developing your application.Can you please , clarify the difference in selecting one type of organizing the projects or the other...???? They seem to be identical(but i do not think so)....
Thanks...
Sim

Workspace and Application is the same componentO.K.... but i wonder why JDev , at least 10.1.2, are seperated.... i mean by pressing "New" in the General tree both Application Workspace and Workspace are displayed.....
Thanks.....
Sim

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