Final answer:
The deed description of the area is least likely to be a factor in determining whether an area is part of the open fields or curtilage, in contrast to proximity, nature and uses, and enclosures which are more relevant factors.
Step-by-step explanation:
The factor least likely to be considered in determining whether an area is part of the open fields or curtilage is a) the deed description of the area. The curtilage of a home is the area immediately surrounding it and associated with the intimate activities of the home life. Factors considered in determining whether an area is curtilage include b) proximity to the house, as areas closer to the home are more likely to be considered curtilage, c) the nature and uses of the area, which involve how the area is used as part of the home's living space, and d) enclosures and fences, which may indicate that an area is designed to keep people out, suggesting a private space.