Proprietary rights are right in rem
Proprietary rights are enforceable against the property itself.
A holder of proprietary rights who is denied the right is entitled to seek action.
The action such as the recovery of the use of land or the actual land is permitted and it is not limited to the damages or recovery of the land's value with the aim to compensate the loss of use.
Proprietary rights are more durable than personal right.
Personal rights are rights in personam.
Personal rights are enforceable against the person who granted the rights at the first place.
If the personal rights being revoked, the holder of the personal rights may be entitled to damages but unable to recover the possession / or the use of the land.
Personal rights are less durable than proprietary rights.