Question about StarbasePsi-TradeCultureWeapon2.mesh

Just looking through the mesh (TXT) format and am wondering what these mean?

    NumPoints 73
    Point
        DataString "9"
        Position [ -473.488678 26.935894 0.004419 ]
        Orientation
             [ -0.000000 0.000000 -1.000000 ]
             [ 0.000000 1.000000 0.000000 ]
             [ 1.000000 0.000000 -0.000000 ]
    Point
        DataString "0"
        Position [ -1191.642578 28.026331 0.072770 ]
        Orientation
             [ -0.000000 0.000000 1.000000 ]
             [ 0.000000 1.000000 0.000000 ]
             [ -1.000000 0.000000 -0.000000 ]
    Point
        DataString "1"
        Position [ -2.302443 195.332809 757.188049 ]
        Orientation
             [ 1.000000 0.000000 0.000000 ]
             [ 0.000000 1.000000 0.000000 ]
             [ 0.000000 0.000000 1.000000 ]

Also, are their weapon-2 entries with LEFT orientation?  I looked them over and saw RIGHT, FRONT, REAR orientations, but nothing with LEFT.