If we want to assign multiple values to a key, it looks like this:

Shopping list:
- Bread
- Yoghurt
- Bananas (not too ripe)

An empty list simply has no items:

Shopping list:

A list can also have empty (null) values (this can e.g. be used for grouping/spacing usecases):

Sort Order Select:
- No choice
- Name ASC
- Name DESC
- Ranking ASC
- Ranking DESC

Next page: Empties