Meaning of the word "yours sincerely" in English

What does "yours sincerely" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

yours sincerely

US /jʊərz sɪnˈsɪərli/
UK /jɔːz sɪnˈsɪəli/

Phrase

a formal closing used in letters when the recipient's name is not known or when addressing a formal body

Example:
•
To Whom It May Concern, I am writing to apply for the position of Marketing Manager. Yours sincerely, John Smith.
•
If you don't know the name of the person you are writing to, you should end the letter with Yours sincerely.