They concerned with the study of word meaning .
They are two related but different aspects of meaning
Sense: concerned with the inherent meaning of the linguistic form./collection of al l the features of linguistic form/it is abstract and de- contextualized/it is the aspect of meaning dictionary compilers
Reference: what a linguistic form refers to in the real 、physical world ,it deals with the relationship between the linguistic element and non-linguistic world of experience
Relation:Linguistic forms the same sense may have different references in different situations./There are occasions ,when linguistic forms with the same reference might differ in sense