The four fields are the Provinces of Ireland with Ulster being the "field" that is still in British hands, the old woman a traditional personification of Ireland herself (see Kathleen Ni Houlihan).
The four fields are seen as the Provinces of Ireland with Ulster being the "field" that is still part of the United_kingdom under the terms of the Belfast_Agreement. The old woman is seen as a traditional personification of Ireland herself (see Kathleen Ni Houlihan).