is a set of things that work together as a group.
things that work together as a group and following 'rules'
Everything goes as planned. Items grouped in specific topics or groups. Plan and order work so that it goes smoothly.
the parts/things in a system
a thing that makes it easier for people live their lives
an invention that humans made
When you make something with it, like paper. When human's use it. When human's interact with the system.
Dictionary says: The use of science in solving problems as in, industry and engineering.