What does a cat c mean when buying a vehicle?

Have found a bike that I am really interested in, it has been recorded as a cat c. (cosmetic damage apparently) but it has since been fixed. What does this mean when I try to insure it?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).