instruction: Tell me more about congratulatory message.
response: A message of congratulations or best wishes sent to someone after they have accomplished a noteworthy feat or milestone is known as a congratulatory message. Congratulatory messages can be conveyed via a variety of media, including social media posts, emails, cards, emails, and text messages.
  
  It's customary to send congratulations to recognise and congratulate someone's accomplishment of a goal or significant milestone. They can be delivered for a range of events, such as graduations, promotions, new employment, marriages, births, or personal triumphs.
  
  Depending on the relationship between the sender and the recipient as well as the type of accomplishment being honoured, the tone and style of a congrats message may change. Depending on the congratulations, some remarks could be formal and professional.