Each coordinate is given in degrees. In terms of degrees latitude, north of the equator is positive and south is negative.
Longitude is relative to zero degrees, along which Greenwich, England is located.
Note that for this map-making tool, negative longitude is west of Greenwich 5. 2.Your map will appear as an image on top. In Netscape, this is accomplished by holding down the shift key while you click. The scale tells you how the size of any feature compares to its real size. A map's scale is usually quite small in order to show large areas.