 are the 6 main built-in data structure types.
These data structures can be arranged in a useful table describing their
relationship to each other.
</p>
<table>
    <tr><th>Interface</th> <th>Mutable</th> <th>Immutable</th></tr>
    <tr><td>Indexed</td> <td>Array</td> <td>Tuple</td></tr>
    <tr><td>Dictionary</td> <td>Table</td> <td>Struct</td></tr>
    <tr><td>Bytes</td> <td>Buffer</td> <td>String (Symbol, Keyword)</td></tr></table><p>Indexed types are linear lists of elements than can be accessed in cons