The acronym LO stands for four different terms: ECCE (Early Childhood Care and Education), ST (Specialist Teacher), CAL (Computer Assisted Learning), and RES (Research). ECCE is a field of study that focuses on the care and education of young children. A Specialist Teacher is an educator who has specialized knowledge in a particular subject or area. Computer Assisted Learning is a form of instruction that uses computers to facilitate learning. Finally, RES is short for research, which is the systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.