In heraldry , red is used to indicate courage . 在纹章学中，红色用来象征勇气。
Yet another book on heraldry might be thought redundant. 然而另外一本关于纹章学的书或许会被认为是多余的。
The rules of heraldry demanded that two colors must never be placed on top of each other, or even touch each other. 纹章的规则要求两种颜色中的任何一种不能放在另一种上面，甚至不能互相接触。
The period is of course renowned for huge castles, lots of armour, colourful flags and heraldry. 当然这个时期包括有名的城堡，盔甲，多彩的旗帜，纹章。
