I was never learnt how to write and read.
Does that mean you are illiterate? I mean, can you use language, numbers, images, computers, and other basic means to understand, communicate, gain useful knowledge, solve mathematical problems and use the dominant symbol systems of a culture.
What. I said I can't read and write. 
Ok, so you cannot read or write on here, so you cannot understand what I am saying? Well, that is very sad.
Yeah, it is pretty sad. I really wish I could understand what you were writing. 'Tis a shame.
Reading development involves a range of complex language underpinnings including awareness of speech sounds, I am sure you can understand when people talk. I am also sure you can read what I am writing.
Yeah, I can understand what people are saying. I just can't read. I wish literacy was a more focused on topic back in grade school.
Learning to read
Learning to read is the acquisition and practice of the skills necessary to understand the meaning behind printed words. For a fairly good reader, the skill of reading often feels simple, effortless, and automatic; however, the process of learning to read is complex and builds on cognitive, linguistic, and social skills developed from a very early age.
Writing systems.
Usually, in order to understand a text, it is necessary to understand the spoken language associated with that text. In this way
Literacy
Dictionaries traditionally define literacy as the ability to read and write. In the modern world, this is one way of interpreting literacy. One more broad interpretation sees literacy as knowledge and competence in a specific area. The concept of literacy has evolved in meaning. The modern term's meaning has been expanded to include the ability to use language, numbers, images, computers, and other basic means to understand, communicate, gain useful knowledge, solve mathematical problems and use the dominant symbol systems of a culture. The