The currency in Portugal is the euro, which makes it a very worry-free destination for many other Europeans to visit when it comes to money matters (it is the currency of 13 European countries, used by 315 million people).
What do the colors of the flag mean? What do the colors of the flag mean? According to custom and tradition, white signifies purity and innocence; red, hardiness and valor; and blue signifies vigilance, perseverance, and justice. Ask the Flag Expert a Question. View more flag questions.
Color Symbolism in Flags. Colors within flags differ from country to country and state to state; the colors presented hold deep-seeded meaning and representation. â¢ Black: Often used to represent determination, ethnic heritage and/or the defeat of enemies. It can also be used as a symbol of death or mourning.