Ключевые слова: achievement, action, alphabet, application, back, base, basic, basics, beginning, change, decision, direction, easy, educate, education, essence, essential, examination, fundamental, general, goal, important, improvement, knowledge, learn, methodology, mission, motivation, optimization, planning, practices, primary, primitive, quiz, restart, return, school, simple, simplicity, simplify, start, statement, strategy, study, thinking, tried, tutorial, way,