24:1 · The circle divided in two equal sections by a straight line through its center is a common modern ideogram used in the business world, schools, and media to show a half part of a whole.
    The is also a cartographic sign, meaning spring or well (also drawn ).
    Compare with the sign , water catchment, in modern fire prevention contexts.
    In certain meteorological systems can mean partly overcast.
    The same sign structure divided vertically with the lighter half to the right, like , represents the moon's first quarter, the first phase of the moon after the new moon, , and is synonymous with , a pictorial sign for the new moon as seen from the northern hemisphere.
    The sign appears on some modern household appliances as a sign indicating on/off switches. With this meaning is synonymous with and , and several other signs.
    With the dark section to the right, like , the last quarter, or the last phase of the moon before the new moon, , or , is represented.