What is a Document?
A document is a file that you or someone else created in an application. For instance, if you open an application like AppleWorks and type a letter, that letter is a document. If you open a page-layout application such as PageMaker and create a newsletter, that newsletter is a document. If you open an image-editing applicatin such as Photoshop and edit a photo, that photograph is a document.
You can’t create a document without an application, and you can’t open a document unless it has an application to open into. When you double-click a document icon to open it, it will try to find the application that created it, then both the application and the document will open. If the Mac cannot find the application that created the ...
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