[johnisgood]

Thanks for the correction. Is it really not "annotation"? What makes the difference?

[Simran-B]

You're not providing extra information to the compiler, clarifying the intent, but merely follow the requirements of the language when writing . to infer the type or @ to use a built-in function.

[johnisgood]

Thank you. My previous comment got down-voted despite it being a legitimate question, weird times.