What selection of the declaration of independence defines democracy?

The Declaration of Independence emphasizes democracy through its assertion that "all men are created equal" and are endowed with unalienable rights, including "Life, Liberty and the pursuit of Happiness." It underscores the principle of government deriving its just powers from the consent of the governed, highlighting the importance of popular sovereignty. This framework establishes the foundation for a democratic system where the authority of the government is rooted in the will of the people.