2) in the List page, clicking New icon and choosing New list... When the small pop-up window opens, there's a List Type dropdown that has List and Group as the 2 values. In our case, this drop down is disabled. We remember seeing 2 values in it once and now only Group appears as grayed (that we can't change).
Thanks, I now know that a Group is a static list of profiles whereas a List can be a dynamic list which can be refreshed when the underlying workflow (having List Update box) is re-run. The question is, when we go to the List page (where all lists are listed), I can click on the Create New icon and choose New list ... Earlier, we were seeing the List Type dropdown enabled and we could choose whether we wanted to create a Group or a List. Now, something has changed (not sure what) but we don't see the dropdown enabled and Group is the default value selected. We believe one of us may have changed some config parameter that isn't allowing us to choose List from that dropdown, maybe?