Letter “X” – The letter X may be symbolic of someone whose name begins with that letter. It might also represent a town, city or even building that starts with that letter. The precise meaning of this letter is up to the dreamer to correctly interpret. The size and color of the letter is often important to note in order to correctly guess its meaning. X is commonly used on maps to indicate some place of interest. On treasure maps, X is the commonly accepted mark for either a trap or treasure.