Why is it called ERC-20?

ERC-20... it's a term that's become synonymous with certain tokens in the cryptocurrency world. But why is it called that? What does ERC-20 actually stand for? Is it related to a specific technology or feature? Or is it just a random moniker given to a set of standards? I'm curious to know the origin and significance of this term. It seems to be a crucial component in the blockchain ecosystem, but I'm not quite sure why it's so important or what makes it unique. Could you enlighten me on the meaning and significance of ERC-20? I'm eager to learn more about it.