Lines outline colored areas (for instance, as edges of columns in a column chart) or stand alone as pointers in a speedometer chart.
You can change the following things for lines:
For lines that display data series in a chart, you can also define the line type (whether the line between data points is straight, curved, or incremented).
The chart preview changes according to your entries.
See also: Assigning Colors .
You can change the line type of a chart that has at least one data series of the type profile or line.
The chart preview changes according to your entries.