Primary Economic Activities...Farming
A system has inputs, processes and outputs.
Something that is put into a system. Capital, buildings, land, machinery, animals
Activities involving changes/alterations made to inputs. Cleaning, feeding, harvesting, mending, milking, fencing.
Things that leave a system after they have been processed, e.g. farm produce, profit, manure, milk, calves, crops.
The raising of cattle for beef production, selling animals at the market so as to be killed for meat.