A more thorough explanation:

Definition: Acta diurna is a Latin term that means "daily proceedings." It refers to a public record of the daily activities of the Roman senate, assemblies of the people, or the courts.

Example: The acta diurna was a daily newspaper that was posted in public places throughout Rome. It contained news of the day, including political events, trials, and public announcements.

Explanation: The acta diurna was an important source of information for the citizens of Rome. It allowed them to stay informed about the decisions and actions of their government. The acta diurna was also used as a tool for propaganda, as the government could use it to promote its policies and achievements.