| Flake | A small, complete module that can be displayed on a Page. |
| Flake Code | The set of files (script, markup, images) that fully define a Flake. |
| Flake Instance | A processed version of Flake Code that is served by the Pageflakes framework to a browser for display. |
| Page | A collection of Flakes. Each page appears as a “tab” in a user’s Page-Set. |
| Page-Set | A collection of Pages. Each user owns exactly one Page-Set. |
| Generated XHTML Document | A XHTML document that is delivered to the user’s browser and is used to display that user’s Page-Set. |
| Flake User Object | A JavaScript class/function that is designed by the Flake developer, which contains all necessary code to implement the Flake’s functionality. |
| Flake System Object | A JavaScript class/function that is provided by the Pageflakes framework, which is used by the Flake User Object to access the framework API. |