The wires are color coded making it much easier to get the connections right, plus the end result looks better too.
There are three kinds of wires
Qwiic to Qwiic
Used to connect one Qwiic board to another.
Qwiic to Male Headers
Used to connect a Qwiic board to another device with male pins.
Qwiic to Female Headers
Used to connect a Wwiic to bard to female headers.
Qwiic boards should come with two connectors which allows you to connect one board to another. All μFire devices come with two connectors.