I understand that this variable can be used to access component-level information, but I was wondering what the official term for it is.


It is a namespace for Javascript API of Aura. Infact top namespace.(If your familiar with apex its almost like system class)


Take a look at Aura documentation for same. Its top level namespace for creation of components, getting a component, setting a component, Enqueuing Action, Running an Action.

  • 1
    Indeed, as Mohit describes, you can just pronounce $A as "Aura". – Christian Carter Jul 31 '15 at 16:33
  • The link isn't accessible – Mohamed Ben HEnda Aug 27 '19 at 12:00
  • You can access the Aura documentation through your org. See the documentation for details. – Phil W Nov 18 '19 at 7:44

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