Explanation of terms of grey incidence analysis models

Purpose – The purpose of this paper is to present the terms of grey incidence analysis models.

Design/methodology/approach –The definitions of basic terms about various grey incidence analysis models are presented one by one.

Findings –The reader could know the basic explanation about the important terms about various grey incidence analysis models from this paper.

Practical implications –Many of our colleagues thought that unified definitions of key terms would be beneficial for both the readers and the authors .

Originality/value – It’s a fundamental work to standardize all the definitions of terms for a new discipline. It’s also propitious to spread and universal of grey system theory.