Your abstract is a very important component of your application. In language that an interested layperson could understand, you need to convey what’s at the heart of your project. Your abstract should begin broad and go narrow, communicating the major theme or debate in anthropology your research addressed, then explaining the particular question you investigated. It should convey the “why,” “what,” “where,” and "how" of your research, while giving the reader a strong sense of the publication(s) you plan to finish to communicate your results. Your abstract will be the shortest part of your proposal, but it will also the hardest to write. You will need to have a very clear idea of your plans to do a good job. You probably should write it last.