🗣️RP, or Received Pronunciation, is a prestigious accent in the UK.
🎩Posh English is an upper-class accent associated with the elite and public school education.
🌍RP is more regionally nonspecific and class neutral.
📚Posh English often has distinct pronunciations and is associated with certain social classes.
🔀Accents constantly change over time, and regional accents are now more accepted and celebrated.