What is NOT an example of a built-in literal value?

The identification of 'zero' as not being a built-in literal value is based on the understanding that literal values typically refer to specific representations of data types in a programming context. In contrast, 'zero' is a numeric value, which may not be classified in the same way as a literal representing an entire data type like text, boolean, or date and time.

Text, boolean, and date and time are indeed considered built-in literal values because they represent specific types of data that can be directly used within expressions or code. For instance, a string enclosed in quotation marks represents text, while true or false represent boolean values, and a specific formatted date or time represents date and time values.

In this context, while 'zero' is a valid number, it does not represent a distinct literal category as do the other options, which are formal types inherent to many programming languages and systems, including Appian.