Literally, the word translates as "curtain" or "veil." It refers to the headscarf and non-revealing clothing worn by many Muslim women to maintain modesty. The style of headscarf and dress varies from country to country. Modest behavior is mandated for both women and men.
Any kind of veil-it could be a curtain, a facial veil, etc. The facial Hijab is divided into two types: 1. Niqab: full facial covering. 2. Khimar: partial facial covering, i.e., it covers the face, but leaves the eyes exposed. It is said that the universe is what veils the Creator from the creation. If you find the veil awe-inspiring, how much more awe-inspiring is the One behind the veil