classes:  lecturer. I said as much as on the slide, if there are more specific examples, it is easier to understand.  curriculum. I said as much as on the slide, if there are more specific examples, it is easier to understand.  facility. I said as much as on the slide, if there are more specific examples, it is easier to understand.  general. I said as much as on the slide, if there are more specific examples, it is easier to understand.