The last field on the form is to specify how the language is written. There are four options:
  1. lr-tb -- from left-to-write from the top of the page to the bottom as in English.
  2. rl-tb from right-to-left from the top the page to the bottom as in Hebrew and Arabic.
  3. tb-rl from the top of the page to the bottom from right-to-left as in Classical Chinese.
  4. tb-lr from the top of the page to the bottom from left-to-right as in non-cyrillic Mongolian or American Sign Language.
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