line chart
In mathematics, if the data in a set shows no relation, then that set shows no trend.
The data that can best be represented by a line chart is time series data. This type of data shows how something changes over a long or short period of time.
Pie Chart
A data marker shows where a data value is on a chart, such as a line chart.
XY Chart
a tabular chart shows the metric and inch equivalent of each letter A tabular chart is a chat in the table form that shows the various forms of data.
Pie chart. The entire "pie" shows the whole data set, while each "slice" shows each group of data.circle graphs
A chart sheet just shows a chart by itself, so you don't see the data and there are no rows and columns visible.
A line chart is often used to visualize a trend in data over intervals of time, thus the line is often drawn chronologically.
It indicates how the data is changing and can be used as a prediction for values in the future. If the values are increasing a trend line will show that and give an idea of what future values might be.
An Outlier; an Outlier is when a point is not part of a trend (pattern)
If you mean not on the actual data points, then you could mean a legend. You could also attach a data table to the chart so that all of the data being used shows with the chart.