一本无字天书是什么意思

,..,.,.,.,.,..,.,.,..,.,.,.,.,..,.,.,.,.,..,.,.,.,..,,.,..,.,.,.,.,.,..,.,.,.,..,.,.,..,.,.,.,..,.,.,.,..,.,.,.,..,.,.,..,.,.,.,..,.,.,,.,..,.,.,.,..,.,.,.,.,..,.,.,.,..,.,.,.,..,.,.,.,.,..,.,.,..,.,.,..,.,.,.,.,..,.,.,..,.,.,.,..,.,.,.,..,.,.,.,.,..,.,.,.,..,,.,..,.,..,.,.,.,.,..,.,.,.,.,.,..,,.,.,.,..,.,.,.,,.,..,.,.,..,.,.,.,.,,,..,..,.,.,..,.,.,..,.,.,.,..,.,.,,..,.,.,.,.,.,.,.,.,..,.,.,..,.,.,.,.,.,.,..,.,.,..,.,.,..,.,.,..,.,.,..,.,.,..,.,,.,.,..,,.,.,.,.,.,..,.,,.,.,..,.,.,..,,.,.,.,,.,..,.,.,.,..,.,.,.,..,.,..,.,.,.,.,..,.,.,.,..,.,.,,..,.,.,.,..,.,.,..,.,.,.,..,.,.,.,.,..,.,.,.,.,..,.