The Ultimate Glossary of eLearning Terms

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Asynchronous Learning. Asynchronous learning allows learners to train individually, enabling them to complete courses at a time, place and pace that suits them. PNG (Portable Network Graphics). PNG is a file format that supports lossless data compression. A common business term, in eLearning ROI, references a ratio of the profit accrued by an investment versus the cost of the investment.