Place Marker & Using 'Define Marker'

No, they are two different units and have no relationship to each other.

You have to devise some method to transmit the desired value from the initial counter to the placed marker. This will usually involve writing the value to a Global property, placing the Marker, then using the option to apply a key command after placing the marker to tell the marker to read the value from the Global Property.

Yes, I know, clumsy.