After reading several questions i'd like to know how can there be so many illiterate people?
They may not be able to spell as well as you, but I'm sure their
grammar is better than yours.
Who are illiterate people?
Generally people who cannot read, or understand language.
How do illiterate people escape poverty?
They learn to read
Why do people not know answers?
Because they are illiterate and uneducated.
Who can't read or write?
Illiterates. People who are illiterate.
Why is spoken language primary?
if written language was primary it would automatically exclude
children and illiterate people since they cannot write. Children
and illiterate people can, however, speak.