To add text to your presentation:

• Click the "Text" tool on the toolbar.

• Click somewhere on the slide.

• Type your text in the text field.

• Change the size of the text field by dragging the handles.

• Right-click the text field to:

  change its font, color, or size;
  set text alignment;
  show/hide bullets;
  rotate the text field;
  re-order the text layers...