ie. You can own the surface rights, but you sell the timber rights to farmer John for 25 years. The nature of the status of the land is fixed by law, and are distinguished as being either a freehold estate or a non-freehold estate. Freehold means ownership without limitations to duration.
The acronym PDF stands for 'Portable Document Format'. This long form of the acronym still doesn't tell you a lot, but it can give you a rough idea of what we are talking about. One thing that you can grasp easily is that it's a 'Document Format'.
What does AUP stand for? The acronym AUP stands for Acceptable Use Policy. This basically refers to a set of rules that a user must agree to adhere to prior to being able to access a product or service. AUP documents are written for various entities such as businesses, corporations, internet service providers, universities, website owners and schools.