Understanding Highcharts
========================

To get to grasp with how Highcharts works it is important to understand the various parts or concepts of a chart.

Below is an image and a description of the main concepts in a chart.

![understanding_highcharts.png](understanding_highcharts.png)

Title
-----

Is the text that will be presented at the top of a chart.

See [Title and subtitle](https://highcharts.com/docs/chart-concepts/title-and-subtitle) for more information.

Series
------

Is one or more series of data presented on a chart.

See [Series](https://highcharts.com/docs/chart-concepts/series) for more information.

Tooltip
-------

When hovering over a series or a point on the chart you can get a tooltip that describes the values on that particular part of the chart.

See [Tooltip](https://highcharts.com/docs/chart-concepts/tooltip) for more information.

Legend
------

The legend show the data series in the graph and allows for enabling and disabling one or more series.

See [Legend](https://highcharts.com/docs/chart-concepts/legend) for more information.

Axes
----

The x and y-axis of the chart, can also use multiple axes for different dataseries. Most chart types, like the typical cartesian types line and column, have axes. Polar charts have an X axis that spans around the perimeter of the chart, and even gauges have a single value axis. Pie charts don't have axes.

See [Axes](https://highcharts.com/docs/chart-concepts/axes) for more information.