Goal-oriented Requirements Language

Goal-oriented Requirements Language (GRL), an i*-based modeling language used in systems development, is designed to support goal-oriented modeling and reasoning about requirements especially the non-functional requirements == GRL topics == === Concepts === Goal-oriented Requirements Language (GRL) allows to express conflict between goals and helps to make decisions that resolve conflicts. There are three main categories of concepts in GRL: intentional elements, intentional relationships and actors.

Source: Wikipedia — Goal-oriented Requirements Language (CC BY-SA 4.0)