which is formed by two pictography characters, one is "Door"
another is "Mouth"
this one is a little bit too big fot the door above (sorry, couldn't find a smaller one). But anyway, "a mouth in a door" is "Ask". Why? Ancient Chinese thought that a person approached to a door, and opened his mouth, he was asking something.
It is an ideogram character.
Its small seal script is
very similar to the shell bone script.
Its clerical script is
similar to older scripts.
The song typeface of traditional character is
same as the clerical script.
The song typeface of simplified character is
in which the "door" has changed, the pictography is compromised.
Its Pinyin is "Wen4".