One box at the top of the image represents a CM API client application. A bidirectional arrow points from the client application box to a box that represents a CM API provider. An arrow points from the CM API provider to a box that represents the ClearQuest® subprovider and another arrow points from the CM API provider to the ClearCase® subprovider. Below each subprovider box, is a bidirectional arrow that points to a box that represents the Rational product associated with that subprovider. Below the box that represents the ClearCase subprovider is a box that represents the Rational ClearCase product and below the box that represents the ClearQuest subprovider is a box that represents the Rational ClearQuest product.