Individual rights refer to the liberties of each individual to pursue life and goals without interference from other individuals or the government. Examples of individual rights include the right to life, liberty and the pursuit of happiness as stated in the United States Declaration of Independence.
Popular sovereignty or the sovereignty of the people's rule is the principle that the authority of a state and its government is created and sustained by the consent of its people, through their elected representatives (Rule by the People), who are the source of all political power.
Judicial independence is the concept that the judiciary needs to be kept away from the other branches of government. That is, courts should not be subject to improper influence from the other branches of government, or from private or partisan interests.