It makes it easier for the practitioners to discuss their art. Jargon is useful if all parties understand the concepts and the forms (words assigned to the con

It makes it easier for the practitioners to discuss their art. Jargon is useful if all parties understand the concepts and the forms (words assigned to the concept) used to represent them. Otherwise you have to expand the jargon into larger units. Borrowing words across fields (because of similarity) can cause confusion. One person may assign a meaning from a different field than the other interlocutors are using.