"Right preemption" can also be referred to as "first refusal," "priority purchase," or "preemptive right." These synonyms all imply the same concept, which is the ability to purchase something before anyone else can. For example, in real estate, a right of first refusal would give a tenant the chance to buy a property if the landlord decides to sell it. Similarly, a priority purchase clause in a contract could allow one party to purchase goods or services before other potential buyers. Preemptive right is a more general term that can apply to a wide range of situations where someone has the first opportunity to act.