The phrase "spell system" refers to a method or set of rules used to create or cast spells. It is a way to organize and understand how magic spells work and how to perform them correctly. Full definition
The game features an excellent and robust spell system, but gameplay itself is chaotic, messy, and simple to a fault. (gamespot.com)
In Magicka, up to four players take on a grand adventure to save their world from certain doom using a fully dynamic spell system. (geardiary.com)
The Barton Reading & Spelling System ® is a one - to - one tutoring system designed to improve the reading, writing, and spelling skills of children, teenagers, or adults who struggle due to dyslexia or another learning disability. (nysrti.org)