r"""
Forms of Input and Output

A <i>Form</i> specifies the way Mathics3 Expressions are formatted or displayed.

The variable <url>:\$OutputForms:
/doc/reference-of-built-in-symbols/forms-of-input-and-output/form-variables/\$outputforms/</url> \
has a list of Forms defined.

See also <url>:WMA link:
https://reference.wolfram.com/language/tutorial/TextualInputAndOutput.html#12368</url>.
"""
