+- ``FORMAT``: display format for tweet and message.\r
+\r
+ + ``CLOCK_FORMAT``: time format, see `Python's strftime format`_.\r
+ + ``DISPLAY``: decide how tweet will be printed.\r
+\r
+ + ``#name``: Twitter's name\r
+ + ``#nick``: Twitter's screen name\r
+ + ``#clock``: Datetime\r
+ + ``#rt_count``: retweets count\r
+ + ``#fa_count``: favorites count\r
+ + ``#id``: ID\r
+ + ``#fav``: favorited symbol\r
+ + ``#fav``: favorited symbol\r
+ + ``#tweet``: Tweet's content\r
+ + ``#sender_name``: Message's sender name\r
+ + ``#sender_nick``: Message's sender screen name\r
+ + ``#to``: '>>>' symbol\r
+ + ``#recipient_name``: Message's recipient name\r
+ + ``#recipient_nick``: Message's recipient screen name\r
+\r
+In every format, you can use unicode characters like ``\u2665``.\r
+Mac users also can use emoji characters as well (Ex: ``::zap::``).\r
+See `Emoji cheatsheet`_ for details.\r
+\r