Pasta strands are long rods of pasta, which are generally round, but they are available in a square rod also. The basic difference from one variety to the next is the thickness of the strands.
Asian Noodles
Asian noodles consist of strands that vary in shape, width, and length. Many Asian noodles are very long in length, symbolizing longevity. They can be thin straight sticks, flat strands, round strands, and wavy strands.
Ribbon pasta, which is flat strands of pasta, is available in different lengths, widths and thickness. Some are short and wide, while others are long and narrow. Ribbon pasta can have straight or wavy edges and many varieties are available fresh and dried.
Asian noodles, like pasta noodles, are available in round, flat and square shapes, and in various widths and lengths. Most often Asian noodles are purchased, rather than made by hand.