Dawn. Dawn is a time of day when the sky begins to lighten before sunrise. It is also a metaphor for the beginning of something new or a fresh start. It symbolizes hope and optimism as darkness fades away and the light of a new day arrives. The term "dawn" can also refer to an awakening or renewal, such as in political or social movements that bring about change in society. In literature, dawn often symbolizes new beginnings, fresh starts, and hope for the future.