Many commands require you to select curves, surfaces, or solids using a dialog containing an interface similar to this one with buttons and a list field:
— Click this button to add the entity or entities selected in the graphics window to the list.
— Click this button to remove the entity selected in the list.
— Click this button to pick curve or geometry from the graphics window.
— Click this button to pick surface from the graphics window.
— Click this button to pick solid from the graphics window.
To add an entity to the list, either:
To remove an entity from the list, select it by clicking its name and click the Remove button.
Click Next or OK to continue.