This image shows the mapper. In the upper left is the Exit Mapper button. To the right are the names of the source and target to be mapped. Below and to the left is the Source section with the View list, Filter button, and Detach button. In the middle is the Mappings section. To the right is the Target section with the View list, Filter button, and Detach button. Below this are the source data structure and the target data structure.