I ask because this question involves terms in Logic.
One-off purely definitional questions do not really strike me as particularly constructive here (since they are well-covered elsewhere) -- but in the SE spirit, maybe consider a post asking for a glossary or appendix of logical terms, with one definition per answer.
There are currently (by my count) 3 questions related to this same idea:
- Why did Aristotle describe as Extremes: the Major Term and Minor Term?
- Why did Aristotle choose the terms 'Major Term' and 'Minor Term'?
- What is 'major' about the major term in logic?
It seems that we all are having trouble understanding the philosophical problem you're having.