A more thorough explanation:

A unified bar is a type of bar association in which membership is mandatory for lawyers to practice law in a particular jurisdiction. It is also known as an integrated bar. The unified bar is usually a statewide organization of lawyers that regulates the legal profession and provides services to its members.

For example, in California, the State Bar of California is a unified bar that regulates the practice of law in the state. All lawyers who want to practice law in California must be members of the State Bar of California.

Another type of bar association is a voluntary bar, which lawyers can choose to join or not. A specialty bar is a voluntary bar association for lawyers with special interests, specific backgrounds, or common practices.

The unified bar is important because it ensures that lawyers meet certain standards of professionalism and ethics. It also provides services to its members, such as continuing legal education and networking opportunities.

Overall, the unified bar is a crucial part of the legal profession that helps to regulate and support lawyers in their practice of law.