The letter “x” often symbolizes something unknown, with an air of mystery that can be appealing. Illustration by Meilan Solly Even though “x” is one of the least-used letters in the English alphabet, ...

X is a letter, a sound, a word, a symbol. X is the unknown. It can be sleek and edgy; it can be religious. For just a simple shape of two crossed lines, X is a lot of things. "I might say that it has ...