The Curve tool draws free-form lines and shapes. The Text tool types text that's part of a graphic. The Regular Polygon tool creates polygons with regular sides. The Polygon tool creates polygons with irregular sides. A HyperCard stack can be like a set of blank templates ready for you to fill out.
Cards can also share common elements that appear in the same background.
However, any specific information should be place into the foreground. You can put text, graphics, and buttons in the background and they'll show through when you're looking at the foreground. Items on the background layer appears on every card, while items on the foreground layer appears only on a specific card. Card Each card is a rectangular area that can contain Buttons, Text, Fields and Graphics. The text filed size and shape can be changed and moved anywhere on the card.