A string literal or anonymous string is a string value in the source code of a computer program. In modern programming languages usually use a quoted sequence of characters, formally “bracketed delimiters”, as in x = "foo". Where "foo" is a string literal with value foo.

(“String Literal” 2022)

Bibliography

“String Literal.” 2022. Wikipedia, August. https://en.wikipedia.org/w/index.php?title=String_literal&oldid=1105586964.