system

A set of connected parts that work together, or an organized way of doing something.

• The heating system is broken.
• These parts form a single system.
• Our new system makes sorting letters easier.

How to use it: a system for doing something (We need a system for tracking orders.)

Similar words: arrangement

Common phrases: transport system, computer system, education system, system for something

A group of parts inside the body that work together to do a particular job.

• Exercise helps your immune system.
• The nervous system carries messages through the body.
• This illness affects several body systems.

Similar words: arrangement, complex, composition, organization

Common phrases: digestive system, nervous system, immune system, respiratory system