平信

Traditional form:

平信

Pinyin (reading):

píngxìn

Definitions:

• ordinary mail (as opposed to air mail etc)

Characters:

• 平 - flat, level, even; peaceful
• 信 - to trust, to believe; letter, sign

Traditional characters:

• 平 - flat, level, even; peaceful
• 信 - to trust, to believe; letter, sign