If you haven’t already read the comment about protoboards in general, please do so now :)
This is essentially the same as the other ProtoBoards in terms of placing components, soldering down, wiring them together, etc. What makes this different from the other ProtoBoards is that this is part of the LilyPad line of e-textile products. Essentially, the big pads near the edges make it easy for you to use conductive thread to sew the boad to, for example, a piece of clothing, and run that same conductive thread to another LilyPad board (or other e-textile board), and make an electrical connection without having to solder things together (wires soldered down really dislike moving around, which you probably know if you’ve ever had a broken set of headphones).
To learn more about LilyPad, I’d go straight to the source: http://lilypadarduino.org/. If this is something that interests you, check out the ProtoSnap – LilyPad Development Board.