Read Committed is a database isolation level that ensures a transaction can only read data that has been committed. This means that any changes made by other transactions that are not yet finalized will not be visible. This helps prevent reading uncommitted or "dirty" data, ensuring that the information retrieved is stable and reliable. In Read Committed, if a transaction tries to read data that another transaction is currently modifying, it will wait until the other transaction is complete. This approach balances data integrity and performance, allowing for concurrent transactions while minimizing the risk of inconsistencies.