Some clarifications about Hijab

I'll dwell in speaking about Hijab :
Hijab is not only that piece of cloth put over heads of women as westerns think and even some Muslims think – who just follow without understanding-. It's the appropriate clothes that the woman wears in order to cover the parts of her body to look respectably. Yes, there are women refuse to wear Hijab saying that it's not the fashion of 21st century. And others say it's not a sign of a modern community , and others simply wear it without faith and just following the nature of our (very near) to the backwardness. I know too many women don't wear Hijab and I respect them very much- coz they are not lying neither on themselves nor on God or people, Others wear it and hide behind it.finally  every one is free to chose his/her  way of life! 
Western and secular communities accuse women who wear Hijab of not being with the modern movement toward the uniting of  world .
 with my humble opinion; I'll start talking about it :

 
1- Hijab literally means ( barrier between two places )
2- It's imposed by Allah in the Quran (Surat al nor, verse # 31)

Yes, I think wearing clothes that are decent is better for woman. Since ancient times woman who wears descent clothes is respectable and has her high position in her community. 
There is a great difference between wearing Hijab and believing its purpose. And at the same time it has been a part of our traditions. Par example(for example )  : there are girls here wear it just because they have been forced to wear it or just have seen other girls wearing it. 
As a matter of fact , I think it's one of the most important means which have kept the face of our community . I refuse that my community will be  changed by things that may lead it to the real backwardness even from the west. And at the same time my community need the realizing to such objects. I have seen articles in Internet about Hijab and most  of them were about girls who have recently worn it ( saying that we used to put  makeup and wear heels and know we wear Hijab and Abbayia ). With my deep sorrow , it's not the idea!!! The idea of it ;is to keep the woman by a decent way and protect her and provide a simple-great means beside her against bad people. I'm not saying that women should wear what women in ancient times used to wear EXACTLY .. there is something called civilization , people! And anything can be improved –FOR BETTER- .