is a segment of a chart. Each axis has a range of values, and an interval (called a gap). You can add a name to the axis, modify the format and precision of the printed numbers, and modify the type of scaling (linear or logarithmic). See Modifying the Axis Attributes for details about modifying axis parameters.

is a tab with a white window where curves are displayed. Multiple curves can be plotted on the same chart, and multiple chart tabs can be created in the chart window.

is a set of (x,y) pairs of values. The parameters of a curve include whether the data points are connected by a line, the color and thickness of the line, and the markers for the data points. See Working with Curves for information about selecting and modifying curves.