In today's interconnected world, 'netiquette' or 'digital etiquette' primarily refers to:
A) The proper way to use network cables and internet routers for optimal connection speed.
B) Rules for maintaining strict privacy settings and digital security on social media platforms.
C) The set of social conventions and guidelines for respectful and appropriate behavior in online communication and digital environments.
D) The process of digitally archiving old photographs and documents to preserve them for future generations.
E) Laws governing cybercrime, online fraud, and intellectual property rights on the internet.