The 'place of the direct object' is introduced to distinguish it from the PLACE element, which is the place of the subject. In "I put a ring on your finger", _on your finger_ is the place of the direct object, or to be more precise, the place the subject puts the direct object in (or on, in this case).
Examples
[FF](#/lesson/WordOrder.04) | [DIROB](#/lesson/WordOrder.16) | [TIME](#/lesson/WordOrder.13) | MISC | [OV](#/lesson/WordOrder.24)
Zij heeft | haar sleutels | zojuist | in de auto | laten liggen
She just left her keys in the car.
[FF](#/lesson/WordOrder.04) | [DIROB](#/lesson/WordOrder.16) | [TIME](#/lesson/WordOrder.13) | MISC | [OV](#/lesson/WordOrder.24)
Hij heeft | zijn zusje | vanmorgen | naar school | gebracht
He has taken his little sister to school this morning.
[FF](#/lesson/WordOrder.04) | [DIROB](#/lesson/WordOrder.16) | MISC | [OV](#/lesson/WordOrder.24)
We moeten | lege batterijen | in een aparte afvalbak | doen
We have to put empty batteries in a separate waste container.