+ <tr><th>I/O Pre</th>
+ <td>All ports of I/O Pre-Process Plugins.</td></tr>
+ <tr><th>I/O Post</th>
+ <td>All ports of I/O Post-Process Plugins.</td></tr>
+ <tr><th>Tracks</th>
+ <td>All ports belonging to tracks.</td></tr>
+ <tr><th>Busses</th>
+ <td>All ports belonging to busses.</td></tr>