A reboot is a power cycling of a dedicated server or VPS, it is essentially the same thing as “turning it off and then turning it back on again”. Often a reboot is needed after operating system updates have been downloaded, in order to completely install them.
Reformat
Reformat refers to the process that permanently erases any data that is on a hard drive and then installs a new copy of the operating system.
Remote Desktop Protocol
Remote Desktop Protocol is an application included in Windows that uses the internet and remotely connect to a different computer.