Placeholders used in syntax descriptions
| Placeholder | Explanation |
| bitsToTest | The value of the bits to test with the Computer command. |
| className | A class identifier or an expression that evaluates to a class identifier. |
| expression | A series of terms whose value is a Boolean, class identifier, constant, data, date, integer, list, real, record, reference, or string. |
| gestaltSelector | The Gestalt selector for the information about the operating environment to be tested with the Computer command. |
| propertyLabel | The name of a property. |
| propertyValue | An expression that evaluates to a value of the appropriate class for the property being defined. |
| referenceList | A list of references. |
| referenceToApplication | A reference to an application. |
| referenceToContainer | A reference to a container. |
| referenceToDisk | A reference to a disk or a list of references. |
| referenceToLocation | A reference to the new location for an object copied with the Duplicate command. |
| referenceToObject | A reference to an object or a list of references. |
| referenceToTrash | A reference to the Trash. |