It was likely used because it is the symbol employed by Storm Shadow of G.I. Joe fame (to which the title of the album is a reference).
The second was that of identifying the sounds in the local languages with the symbols employed in their own languages to establish alphabets for recording the spelling of native words.
Even then however, the thematology was largely derived from the symbols employed in earlier ages, and its use was limited to the major families of the Empire.
This Tab-sign, like the Percussion clef, is not a clef in the true sense, but rather a symbol employed instead of a clef.
Poussin ominously places a snake slithering across the rock on the left of the picture, a symbol often employed in his pictures to conjure up a sense of horror.
Among the symbols employed by the early Christians, that of the fish seems to have ranked first in importance.
The mathematical symbols employed below are explained here.
Yet little systematic work has been done on such alternative formats, nor on the religious symbols employed by them.