ATLAS processes are responsive sales processes that include two different flows:

• Sales processes used on the AEM website.
  For these processes authentication isn't needed.
  Only the sales processes for which no authentication is needed are in scope here.
• Sales processes used in Touch, so authenticated.

On website, AEM is the master and will integrate an html snippet, css and the necessary javascript to launch the sales processes.
url to the page in Confluence: https://s08983dt.servers.kbc.be:6081/confluence/display/TOUCH/1000+ATLAS+Sales+Processe

PSA = Public Sales Application

FLEX PSA: Since release 1705 these processes can be released monthly and different experiences can be shown to the user e.g. a green or grey button. Done by Target and meant to influence the behaviour of the customer.