The document discusses functional gastrointestinal disorders (FGIDs), specifically focusing on abdominal pain disorders such as recurrent abdominal pain, chronic abdominal pain, and functional abdominal pain. It outlines their definitions, prevalence, causes, pathophysiology, differential diagnoses, management strategies, and relevant diagnostic criteria. The document highlights the importance of individualized patient care, symptomatic management, and regular follow-up to improve quality of life in affected individuals.