(1) Point: a point is that which has no parts nor Noulv magnitude. (2) Line Segment: a line segment is length with- out thickness. (3) Ends of a Line Segment: the ends of a line sum segment are points. (4) Straight Line Segment a straight line seg cond This ment lies evenly between its end points. 10Ba(5) Surface: a surface is that which has length um and width but not thickness. This(6) Extremities of a Surface: the extremities of a surface are line segments. (7) Plane surface: a plane surface is such that if any two points in it are joined by a line, the line lies wholly in that surface. (8) Parallel Lines: parallel lines are lines in the same plane surface which, if extended ever so far in both directions, would not meet