Sense is concerned with the inherent meaning of a linguistic form, the collection of all its features; it is abstract and de-contextualized. For example, the sense of the word “tree” may be a plant with trunk and branches. Reference means what a linguistic form refers to in the real, physical world; it deals with the relationship between the linguistic element and the non-linguistic world of experience. An example in English is the relationship between the word “tree” and the object “tree” in the real world.