List pages enumerate items of a particular type, such as the List of sovereign states or List of South Africans. Wikipedia has "lists of lists" when there are too many items to fit on a single page, when the items can be sorted in different ways, or as a way of navigating lists on a topic (for example Lists of countries and territories or Lists of people). There are several ways to find lists:
Wikipedia:Contents/Lists – A limited single-page collection of lists and lists of lists
List of lists of lists – A broad single-page collection of lists of lists
Category:Lists – Browse lists comprehensively via the multi-page Wikipedia category system