PDC is an acronym for "Professional Development Course" which refers to a type of program or training designed to enhance skills and expand knowledge in a particular field to aid individuals in their professional careers. Synonyms for PDC include "training course," "workshop," "seminar," "certificate program," "continuing education," and "skill-building program." These programs can range from short-term courses to long-term programs, and the topics can vary from technical skills to interpersonal or leadership skills. PDCs are available in many fields, including business, technology, healthcare, education, and more, and are often offered by universities or professional organizations with the goal of helping individuals maintain a competitive edge in their profession.