BPA Platform (formerly Orbis TaskCentre) is a Business Process Automation Platform used for automating jobs and processes through the use of tasks broken down into a workflow of steps. So in short, it is a new name application, new licences etc.
Common uses for BPA Platform include:
Automating the sending out of customer communications via email.
Updating records in a database based on content received in email attachments.
Automating communications of an approval process.