Civil Liberties: These are basic freedoms guaranteed by the Bill of Rights or interpreted through the years by courts and lawmakers. They include freedom of speech, privacy, religion, assembly, etc.
Political Freedom: This is the right to participate in political processes such as voting or running for public office without fear of repression or retaliation.
Human Rights: These are fundamental rights that every person has simply because they are human. They include right to life, equality before law, freedom from slavery etc.