The flat mirror gives a straight, virtual image that is of the same size like the original, but movement directions get inverted.
Thе our eyes make an upside-down image of the world and during the first months of our lives human brain learns that the image created by our eyes has to be turned.
In the mirror, writing turns around, too. Mirror writing can serve as a cryptography, as well, though with a mirror it can be deciphered quite easily.
In case of the Arab or Hebrew writing, writing direction is from right to left, but letters are not like in mirror writing so there is no need for mirror while reading them.
