Definition
These questions try to find out household head's ability to read and comprehend the point using bahasa indonesia and other language. Reading ability here means used to able to read or is now able to read. If anyone used to read but now not anymore due to a blindness, it is considered able to read. Similarly to old man/woman who used to read but not anymore due to the old age. In adition to that, a baby born blind who now can read braille signs is also considered able to read. Reading category is also the same as writing category