This figure shows 6 boxes with 7 lines connecting them:
A "TX Interface" double arrow between a Transaction Manager box and an Application Program box
An "XA Interface" double arrow between the Transaction Manager and a Resource Manager box
A double arrow between the Application Program and the Resource Manager
An "XA Interface" double arrow between the Transaction Manager and a Resource box
A "Native Interface" double arrow between the Application Program and the Resource
An arrow from the Resource to a box called Other
A line between the Resource Manager and an Oracle (Database) box