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The Ultimate Glossary of eLearning Terms

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ADL (Advanced Distributed Learning). The primary purpose of the LTI standard, created by the IMS Global Learning Consortium, is to connect learning systems, such as an LMS, with external service tools. 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.