Coordinates type lets you input geographical coordinates (latitude and longitude).
When setting the type, you can choose between two formats: decimal degrees (e.g. 49.233131, 16.570183) or degress, minutes, seconds (e.g. 49° 13' 59" N, 16° 34' 13" E).
Then you are also able to choose precision (number of decimal digits). The more digits, the more accurate the position.
When you switch the perspective to map, attribute of type Coordinate is automatically chosen in the settings and displayed in a map.