Axis Title
A chart axis can have a title.
Use the AxisBase.Title property to specify title settings.
The following example adds titles to X and Y-axes:
<Charts:CartesianChart>
<Charts:CartesianChart.AxisX>
<Charts:AxisX x:Name="axisX"
Title="Country"/>
</Charts:CartesianChart.AxisX>
<Charts:CartesianChart.AxisY>
<Charts:AxisY x:Name="axisy"
Title="Population, millions"/>
</Charts:CartesianChart.AxisY>
<!--...-->
</Charts:CartesianChart>