Constitutional Republic/ Democracy: What's the difference?

A constitutional republic is a form of government where the power is held by the people, but it is exercised through elected representatives. This system is designed to provide a balance between individual rights and the authority of the government.
Limited government: The government is given specific powers and limitations, ensuring that it does not overstep its boundaries and infringe upon individual rights.
Constitution: A written constitution outlines the framework of the government, its powers, and the rights of citizens.
Protection of individual rights: The constitution and laws are designed to protect the rights and freedoms of citizens, ensuring that the government does not abuse its power.
Link Below:
https://www.youtube.com/watch?v=ZV5arQxexyg
Ayn Rand page link below:
https://aynrand.org/