Scatter plot (XY chart) used to show scientific XY data. Scatter plots are often used to find out if there's a relationship between variable X and Y.
Line charts are used to display trends over time. Use a line chart if you have text labels, dates or a few numeric labels on the horizontal axis. Pie charts are used to display the contribution of each value (slice) to a total (pie). Pie charts always use one data series.
Column charts are used to compare values across categories by using vertical bars.
The spelling dialog box can be involved by choosing spelling from ________ menu.