Democracy: This is a system of government where the citizens exercise power by voting. While voting is a component of democracy, the term "democracy" itself does not specifically refer to the right to vote.
Habeas corpus: This is a legal principle that protects individuals from unlawful detention. It ensures that a person can report an unlawful detention or imprisonment to a court and request that the court order the custodian of the person, usually a prison official, to bring the prisoner to court to determine whether the detention is lawful. It does not relate to the right to vote.
Suffrage: This term specifically refers to the right to vote in political elections. It is the correct answer to the question.
Collectivism: This is a political or economic theory advocating collective control over production and distribution. It emphasizes the interdependence of every human in a society. It does not pertain to the right to vote.