All shapes, except lines, can contain text.
Place a shape where you want it on the slide canvas.
To learn about adding shapes, see About Creating Shapes.
Double-click the shape and type the text you want.
If the text extends beyond the border of the shape, a clipping indicator appears.
To resize the shape, select it and drag the selection handles. (If the insertion point is inside the shape, press Command-Return to get out of text editing mode and select the shape.)
To rotate the shape, hold down the Command key while holding the pointer over a corner of the shape. When the pointer appears as a curved arrow, drag to rotate the shape.
To keep its text horizontal after rotating the shape, choose Format > Shape > “Reset Text and Object Handles.”
To add text to a shape that's part of a group, double-click in the text area of the shape you want to edit.
If you resize the group, everything resizes except for the text, but you can still select text and change its font size. See Grouping and Ungrouping Objects for details about grouping objects.
To learn about changing the look of the text inside the shape, see the topics under More Formatting Text Size and Appearance.
To learn about changing the spacing between the text and the inside of the shape, see Adjusting Spacing Within Text Box Borders.
To learn about formatting the borders and background color of the shape, see Changing the Style of Borders and About Filling Objects with Colors or Images.
If you want to quickly add plain text to your slide without a colored background or borders, see Adding a Free Text Box.