The incoming URL determines which responder gets activated. There are many different types of responders (and more every iteration!)
^SuiteEditResponder
^SuiteFileSection
^SuiteMoveResponder
^SuitePropertiesResponder
^SuiteRenameResponder
^SuiteRunResponder
^SuiteSearchResponder
^SuiteTestResponders
^SuiteVersionResponder
^TestNameResponder
^TestRssResponder
^TestShutdown
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^SuiteEditResponder
^SuiteFileSection
^SuiteMoveResponder
^SuitePropertiesResponder
^SuiteRenameResponder
^SuiteRunResponder
^SuiteSearchResponder
^SuiteTestResponders
^SuiteVersionResponder
^TestNameResponder
^TestRssResponder
^TestShutdown
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