Tap a date field to open a calendar. Pick a day, using the arrows to change month, then tap Done. Tap Cancel to close the calendar without changing the date.
Tap a pick list to open the Select an Item (count) window. Use the search box to find an item, then tap it to choose it. The window also has Clear and Apply buttons. Some lists show a + button.
Some pick lists depend on earlier answers. Fill in fields from top to bottom.