Undecipherable handwriting or secret symbol.
Any symbol used in this system; a hieroglyph.
A writing system of ancient Egypt, Minoans, Maya and other civilizations, using pictorial symbols to represent individual sounds as a rebus
difficult to decipher
of, relating to, or written with this system of symbols
A written message; a letter, note or memo.
Letters sent between two parties in which one makes an offer and the other accepts it.
Specially sent; intended or prepared to be sent.