What is the difference between AFC cup and AFC champions league?

acl cupThe HUYA Legend Cup (abbreviated as LGC), held in conjunction with the HERO ESPORTS Asian Champions Legaue as the ACL x HUYA Legends Cup, is a League ofThe HUYA Legend Cup (abbreviated as LGC), held in conjunction with the HERO ESPORTS Asian Champions Legaue as the ACL x HUYA Legends Cup, is a League of