what are "Hybrid-asynchronous instruct" classes?

Hello everyone,

I was registering for classes when I saw a section for a course that says "Hybrid-asynchronous instruct."

I'm a bit confused, what does this mean?

https://preview.redd.it/ab55m6x6s91g1.png?width=1438&format=png&auto=webp&s=20186b8c91d2d0fb2549a63d01023b32fd2f4a84

Thanks in advance for the help!!