Explanation:

- Mughal chronicles are known for documenting the history and ideologies of the Mughal Empire.

- Option 1: They present a continuous chronological record of events. - This is indeed a characteristic of Mughal chronicles.

- Option 2: They were a repository of factual information about the Mughals. - This is accurate as the chronicles contain detailed information about the empire.

- Option 3: They allow us to understand how imperial ideologies were created and disseminated. - Also true, as the chronicles offer insights into Mughal imperial thought.

- Option 4: They contain brief biographies of the authors of the chronicles. - This is not a typical feature of the Mughal chronicles.