The flower symbolizes a person no longer young and thinking about life.
Eternal Vigilance is the Price of Liberty. "Those who expect to reap the blessings of freedom must, like men, undergo the fatigue of supporting it." The price of liberty and freedom is huge and you will need to go under certain circumstances in order to get what kind of freedom you deserve and need.
Hope This Helps
1. the cost of return transport to airport is the price of the transportation you take to get back to the airport
2. the cost of transport to the airport/car parking at the airport is the price it costs for the transportation you take to get there
3. price of local currency means how much it costs to convert the money
they try to appeal to the age group of children who are most likely to read the essay/paragraph