Oh my, may I remind folks about SDI vs MDI https://en.m.wikipedia.org/wiki/Multiple-document_interface https://en.m.wikipedia.org/wiki/Multiple-document_interfa

Oh my, may I remind folks about SDI vs MDI https://en.m.wikipedia.org/wiki/Multiple-document_interface https://en.m.wikipedia.org/wiki/Multiple-document_interface Or the window-is-application/process (Windows, Linux DEs) vs window-is-document-and-application-is-independent (MacOS) models Or spatial navigation vs file browser.