Simplify the following text for a Grade 13 native English-speaking person.
Original: The Singapore Arms and Flag and National Anthem Rules define the flag 's composition and the symbolism of its elements : red symbolises `` universal brotherhood and equality of man '' , and white , `` pervading and everlasting purity and virtue '' .
Simplified: Red symbolises universal brotherhood and equality of man ; white stands for pervading and everlasting purity and virtue .