Tabs set how text or numerical data aligns in relation to the document margins.
A tab stop is a predefined stopping point along the document's typing line.
To create and clear a Tab Stop. Select one or more paragraphs.
Click the Tab button on the horizontal ruler until it shows the type of tab stop you want.
Then Click the ruler where you want to set the tab stop.
You can drag the tab stop to position it.
To display a numerical measurement in the ruler where the tab is placed, press and hold Alt as you drag.
To clear a tab stop, drag it off the ruler.