Chart: Axes Overview
RadCartesianChart plots data points in a coordinate system defined by its two axes. Usually, one data point has category and value, which define its Cartesian coordinates. This means that your chart will need one axis that can visualize the category and another which can visualize the value. CartesianAxis is the base class for all axes that Telerik RadCartesianChart can plot.
Category axes
The axes that can be used to visualize the category of a data point are:

CategoricalAxis: The
CategoricalAxis
is the base axis that can be used to display category of any kind. 
DateTimeCategoricalAxis: The
DateTimeCategoricalAxis
extends theCategoricalAxis
. It can be used if the category of the data points is of typeCalendar
. 
DateTimeContinuousAxis: The
DateTimeContinuousAxis
may be considered as a hybrid between a categorical and a numerical (linear) axis. DateTimeContinuousAxis works with categorical data but instead of categories, the axis builds time slots depending on its Minimum, Maximum and MajorStep values.
Value axes
The axes that can be used to visualize the value of a data point extend the NumericalAxis class. They are:

LinearAxis: The
LinearAxis
plots the associated data points using each point's actual value, provided for the axis. 
LogarithmicAxis: The
LogarithmicAxis
is used to display values that cover several orders of magnitude in a more manageable way. This is a special numerical axis that transforms the actual values of the data points using logarithm function with a specific base.