border

Example 

<border>
  <type>title</type>
  <position>bottom</position>
</border>

This consists of

<border>

defineAndReference
<type>
choice
title
dist
amp
time
triangle
elapsed

</type>
<position>
choice
bottom
top
left
right
bottom left
bottom right
top left
top right

</position>
<titleCentered> optional
choice
true
false

</titleCentered>
<triangleColors> optional
<color> At least once </color>
</triangleColors>
<clipTicks> optional
<min>double</min>
<max>double</max>
</clipTicks>
<titleFont> optional </titleFont>
<titleColor> optional </titleColor>
<background> optional </background>
<title> Any number of times
defineAndReference
<text>Any text</text>
<font> optional </font>
<titleColor> optional </titleColor>
</title>
</border>

Places this can be found