<Tr> <Th> Name </Th> <Td> Presidential Standard of Botswana </Td> </Tr> <Tr> <Th> Proportion </Th> <Td> 2: 3 </Td> </Tr> <Tr> <Th> Design </Th> <Td> A light blue field charged with a black - rimmed white circle containing the coat of arms of Botswana in the centre . </Td> </Tr> <P> The national flag of Botswana consists of a light blue field cut horizontally in the centre by a black stripe with a thin white frame . Adopted in 1966 to replace the Union Jack, it has been the flag of the Republic of Botswana since the country gained independence that year . It is one of the few African flags that utilizes neither the colours of the Pan-Africanist movement nor the colours of the country's leading political party . </P>

What do the colours of the botswana flag represent