Continuing-education is a term that refers to education and training beyond the initial level of schooling or training. It is also sometimes referred to as professional development, lifelong learning, or adult education. Other synonyms for continuing-education include post-secondary education, in-service education, higher education, vocational education, and skill-building. These terms all describe the process of learning and acquiring knowledge and skills to further one's career or personal development. Regardless of the terminology, the goal of continuing-education is to ensure individuals remain experts in their field and have the necessary skills and knowledge to succeed and adapt in a rapidly changing world.