Differences between Validation modes ( TestMode vs LiveMode vs OldLiveMode )

[Edisonsan8]

Somebody knows all the differences betweens this three methods of validation:

* test Mode

* Live Mode

* old Live Mode

Thanks

[RaynorC1emen7]

In the pdf http://developer.authorize.net/api/cim/

under "Section 3" - "CIM Functions" - "Field Validation and Test Mode" section