An arbiter can refer to different things depending on the context. Here are some of the meanings of the term:

• Electronics: An arbiter is an electronic device that allocates access to shared resources, such as a bus or memory, in a multi-master bus system or shared memory system).

• Law: An arbiter is a person with legal authority to decide disputes between parties based on the rules of law and equity. The arbiters decisions are binding and may be final and non-appealable.

• General: An arbiter is a person with the power to decide a dispute or judge a subject of interest. The arbiters judgment or opinion is considered authoritative.

• Halo: In the Halo video game universe, an Arbiter is a ceremonial, religious, and political rank bestowed upon Covenant Elites).

It is important to note that the term "arbiter" can have different meanings depending on the context in which it is used.