{"displayTag" => string,
"label" => string,
"labelLocation" => "Left" or "Top"
"type" => "NONE" or "TEXT" or "NUMTEXT" or "CHECKBOX" or
"CHOICE" or "BUTTON"
"length" => integer,
"numRows" => integer,
"option" => "VISIBLE" or "HIDDEN"
"x" => integer,
"y" => integer}