Collecting Areas are where you can use a Collector to Collect Pieces and Wheels. Collecting Areas can be found in South Flaris, South-East Saint Morning, and North Darkon.
The Collecting Manager Collins is right next to each of them.
How to Collect Edit
Go to a Collecting Area, and buy a Collector from a Collecting Manager. Then going into the Collecting Area with your Collector equipped. Then click Start on the box that pops up when you have a Collector equipped. You will then start Collecting.