عَلَى سَبِيلِ الِاشْتِرَاكِ أَوِ التَّشَابُهِ
By shared naming or by resemblance.
One term may have more than one scholarly application without the definitions being identical. Shared naming allows one term to denote distinct concepts; analogy points to a similarity between the uses. The crucial distinction here is the different object being described.
Ordinary semantic majāz asks which meaning is intended by an expression. Grammatical majāz in this discussion asks how omission or addition changes a word's assigned case. Both questions can arise in analyzing one sentence, but they are not the same question.