Paul Grive proposes these four maxims that speakers should take into consideration to make communicative conversation possible. All speakers expect their interlocutor to follow them.
1. Quality
Be truthful
2. Quantity
Don´t say more or less than needed.
3. Manner
Avoid ambiguity
4. Relation
Be relevant
Grice based his work on John Austin´s work which was postumately published "How to say things with words)
Philosopher Paul Grice
How people achieve effective conversational communication in common social situations
Non observance of the maxims refers to the lack of them. They can be classified according to their nature.
Violating
Flouting
Opting out
Suspending
Infringing
Branch of linguistics that studies the intentionality of communication.