The term NET SUPPORTER can be broken down into two parts: RIM (3 letters) and the rest of the term. RIM stands for 'Remote Infrastructure Management' which is a type of IT service that provides remote support for computer networks, systems, and applications. This type of service is often used by businesses to ensure their networks are running smoothly and securely. The rest of the term, NET SUPPORTER, refers to someone who provides technical support for computer networks, systems, and applications. This person is responsible for troubleshooting any issues that may arise and providing assistance to users.