paper, concept, education, newspaper, learn, torn, background, business, word, success, text, learning, knowledge, e-learning, exam, information, study, training, development, think, online, course, teaching, trainer, professional, discovery, lesson, studing, elearning, educational, words, phrase, instruction, deliberation, sequence, communication, profession, string of words, writing, business activity, eruditeness, leader, syntagma, person, ordering, improvement, investigation, speech, test, on-line, medium, string, construction, press, constituent, class, undertaking, work, print media, thinking, survey, cognition, scholarship