The DIY Board allows you to create a module from any component with 8 pins or fewer. The numbers next to the feet corresponds to the numbers on the pads. The board has five sections; You can break the sections to make multiple, customized boards.
The DIY Board allows you to connect a more complicated chips to your traces. The chips can have up to 8 pins and can be soldered to the pads or inserted into the through holes. However, through hole components can be harder to use do to varying wire thicknesses. The numbers next to the feet indicate the pin number that it attaches to at each component insertion spot. Breaking apart the different sections breaks the connection between the feet and their corresponding pins in other sections and allows you to customize your board. Apart from the four spots for components with up to 8 pins, there is a spot for a 2-pin component between feet 9 and 10.