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The Ultimate Glossary of eLearning Terms

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ADL (Advanced Distributed Learning). PNG (Portable Network Graphics). PNG is a file format that supports lossless data compression. ROI (Return on Investment). A common business term, in eLearning ROI, references a ratio of the profit accrued by an investment versus the cost of the investment.

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The A to Z of eLearning Acronyms Part 2

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LETSI is a new organization with worldwide sponsorship to whom ADL will be handing over stewardship of SCORM. PNG was created as an improved, non-patented replacement for Graphics Interchange Format (GIF), and is the most widely used lossless image compression format on the Internet.