I really cannot bear to memorize so many options' name for Org-mode just like learning English vocabulary. For example: #+ATTR_LATEX:, #+tblname:, #+CAPTION for tables, #+ATTR_HTML: for HTML exporting.
In Org-mode, what I've known to do something similar to this are:
Block complete: enter <s press TAB to expand to a #+BEGIN_SRC ... #+END_SRC block. (or <e, <q....etc.)
Property name complete: C-c C-x p to insert property.
But, is there any built-in function to aid user to input/complete options?