See the detailed descriptions of the dependency matrix toolbar buttons in the following table.
| Button | Button name | Description | 
|---|---|---|
| Back (Alt+Left) | Navigates back to the previous diagram that was open in the current diagram tab.  | |
Forward (Atl+Right)  | Navigates forward to the diagram in the current diagram tab. | |
Select in Containment Tree (Alt+B)  | Opens the Containment tab in the Model Browser and selects the current diagram or symbol in the Containment tree.  | |
Delete (Ctrl+D)  | Deletes the selected element from the matrix and model. If you undo the deletion, you should refresh the matrix to make the deleted elements appear in the matrix again.  | |
| Remove From Matrix (Delete) | Removes the selected element from the matrix. The selected element is not removed from the model.  | |
| Change Axes | Transposes rows and columns. | |
| Export | Exports a matrix as a Comma Separated Values ( .csv) file. The file can be opened with Microsoft Excel. | |
| Refresh | Refreshes the matrix after updating the criteria or data. | |
| Validate Diagram | Validates the matrix against all validation rules stored in the model, except those that are ignored. | |
| Options | Expands the menu with other options.  | |
  | ||
Suppress/Expand Criteria Area  | Suppresses or expands the matrix Criteria area. | |











