An apron is a garment that is worn over your other clothes to protect them. They are most often worn for cooking and washing dishes, but are used in many other professions as a protective garment. carpenters and butchers are often seen in aprons.
A blindfold is a piece of cloth that someone else ties over your eyes so you can't see. People are often blindfolded so they can be lead to a surprise without knowing where they are going. Some games require you to be blindfolded, like pin the tail on the donkey. The person in the picture is playing a video game blindfolded.
A bra, short for brassiere, is an undergarment worn by women to cover and support their breasts.
A burqa is a garment worn by women that completely covers them. It is worn for religious or cultural reasons, and is only worn when the woman is outside the privacy of her home. The veil part of a burqa is called a purdah, and may cover her entire face or just the part below her eyes.