Hybrid teaching can mean a lot of things, but for the most part, hybrid teaching offers students the choice in how to participate.
There is no fixed definition for hybrid learning — that is students, instructors, and the university may have different ideas of what hybrid is.
For more information, see this Discussion Paper on Hybrid Teaching and Learning by the CTLT
https://ctlt2013.sites.olt.ubc.ca/files/2021/01/CTLT_HybridTeachingLearning.pdf