Stringer beads, you "drag" or "pull" (it's basically a stitch or a continuous weld) and a weaving bead, you literally move left and right over and over, lapping over the previous weld slightly until you go down the entire area you wish you weld.
What are you asking here?
Answer:
uhhh I think it is 28x12 because the space between the blue and red is 4 inches