 more alphanumeric or a few other common
characters. For example, <code class="mendoza-code">:hello</code>, <code class="mendoza-code">:my-name</code>, <code class="mendoza-code">::</code>, and <code class="mendoza-code">:ABC123_-*&amp;^%$</code> are all keywords.
</p>
<p>Keywords, symbols, and strings all behave similarly and can be used as keys for tables and structs.
Symbols and keywords are optimized for fast equality checks, so are preferred for table keys.
</p>
<p>The difference between symbols and ke