E-Learning Market Size, Share, Growth Report, By Delivery Mode (Packaged Content, Learning Management Software (LMS), Others), By Learning Mode (Self-Paced, Instructor-Led), By Function (Training, Testing), By End-Users (K-12, Higher Education, Corporates, Government, Vocational), and By Region – Global and Regional Industry Synopsis, Market Intelligence, Inclusive Analysis, Historical Data, and Forecasts 2024 – 2032