The term 'Doctoral Hurdles' refers to the various challenges that must be overcome in order to obtain a doctoral degree. One of these hurdles is the Oral Examination, which is commonly referred to as 'Orals' and is five letters long. This examination is typically conducted by a panel of experts in the field and is designed to test the student's knowledge and understanding of their research topic. The student must demonstrate their ability to defend their research and answer questions related to their field of study. Passing this examination is a major milestone in the process of obtaining a doctoral degree.