The universe of digital currencies can be overwhelming to newcomers: the idea of a decentralized system and blockchain tech is sufficient to confound the easygoing eyewitness. The letters in order soup of abbreviations and specific vocabulary used to depict various coins, apparatuses and ideas can leave an amateur reeling.
Source: https://blog.kucoin.com/etheruem-ecosystem-guide-to-erc-tokens-sk-st