Praise be to Yevon
The Yevon script seen in FFX (top image) was inspired by a form of Sanskrit called Siddhaṃ script (bottom image), which is used in one of the oldest and biggest Japanese schools of Buddhism - the Shingon Buddhism.
The letter A of the Yevon script alphabet represents Yevon (you can see this symbol repeatedly throughout the game), while the letter Z represents Sin.
An important practice for Shingon Buddhists is “meditating on the letter A”.
Therefore, this letter has a profound meaning in both scripts.
Info and image source: https://finalfantasy.fandom.com/wiki/Yevon
https://id.m.wikipedia.org/wiki/Aksara_Siddha%E1%B9%83
(phew…I really did miss making these posts for you guys)









