What is the difference between reading and comprehension?

Reading entails decoding printed messages into sounds whereas comprehension is an on going process of evolving thinking.it is the simultaneously extracting and constructing meaning through interaction and involvement with written language. Extracting meaning is to understand what an author has stated, explicitly or implicitly. Constructing meaning is to interpret what an author has said by bringing one's

'capacities, abilities, knowledge, and experiences' to bear on what he or she is reading.