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Data series It is the set of values which the user wants to plot in the chart.
Chart Area It refers to the total area surrounded by the chart.
It is that area of the chart in which the data is plotted.
Plot Area In a 2-D chart; axis bound the plot area whereas in 3-D charts, walls and floors
bound the plot area.
Chart Title It is the heading text that helps to identify the chart.
Axis Title It refers to the titles given to three axis, i.e. X, Y and Z axis.
It helps to identify the plotted data series. Unique colour or pattern is helpful
Legend
to identify such series.
It refers to the horizontal and vertical lines in the plot area. The gridlines are
Gridlines
inserted in the chart to enhance its readability.
It refers to the label that provides additional information about data marker,
Data Label
thus representing a single data item or value of a cell.
In a 3-D chart, the base area or the plane in X-Y axis is called the floor and the
Walls and Floors
vertical areas, i.e. planes in X-Z and Y-Z axis are called walls.
Advantages of Charts
Following are the advantages of charts:
l Charts summarise large data set in visual form and estimate key value at a glance.
l Charts are visually appealing and it is easy for the users to compare the information.
l Charts help to forecast the trends on the basis of comparisons done.
Types of Charts
There are different types of charts. Some of them are:
LINE CHART
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l Line Chart: Line chart is used to view 100
90
information that is shown by lines at equal 80
intervals. It depicts the change in data 70
60
over a period of time. 50
40
30
20
COLUMN CHART 10
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110 Kavya Pooja Ankit
100
90
80
70
60 l Column Chart: A column chart represents
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40 data over a period of time in columns. Each
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20 column rises from X-axis and indicates the
10
0 value of a data. The measurement values are
English Maths Science shown vertically on the Y-axis.
Kavya Pooja Ankit
224 Touchpad Computer Applications (Ver. 2.0)-IX

