Click on a structure to copy its configuration and then click again to apply it. You can also drag the cursor over multiple structures to apply the configuration at once.
Shows the currently assigned contract. Product on the left side is the one you are exporting (selling) and the one on the right side is being imported. The displayed traded volumes are calculated based on all the cargo depot's modules that are assigned with corresponding products. If there isn't any corresponding cargo depot module for both the products then the estimates will show a question mark.