Art is an universal languages but it also has a very subjective interpretation.

In the same way a literaly text is addressed to everybody but its inerpretation changes from person to person.

Threfore  the reader's approach to the text is very important.

The reader must not stop to surface, he must go into depth to achieve the connotative  meaning of words. That is the reason why in text analysis the reader has to develop a deep sensitivity combined with theorical control of instruments