Decision table provides a compact way to represent complicated business rules or company policies. Try to compare the text description below with the decision table next to it. You will see how powerful it is. "An airline offers passengers discounts under special conditions: Infant passengers under two years old are offered a discount of 80% on domestic flights, or 70% on international flights. Youth passengers (between two and sixteen) are offered a discount of 10%, for any kind of destination. Passengers who make reservation five months before their journey are offered a discount of 10%. For international flights, passengers are offered 15% discount if they travel during off-seasons..."