What factors effect how we interpret signs?

semiotics- reading signs

the factors that effect how we interpret signs could be something that has previously happened and effects on how u see the other person.

For example, a student that was recently kicked out of the lesson, enters the class with his jacket still on. Now because this particular student was sent out last lesson this action of him entering with his jacket still on gives the impression that he wants to be somewhere else when really he is gonna take it off when he sits down, or maybe he is unwell and is cold.

This is because of the factors of what happened in the previous