Ключевые слова: 3d, 3d illustration, abstract, alternative, analogy, choice, choose, decide, decision, direction, door, illustration, label, learning, learning on doors to show that teaching and learning are opposite options while making decision, life, meaning, model, object, opposite, option, or, pick, picture, preference, presentation, render, select, selection, sign, symbol, teaching, teaching and learning as a choice pictured as words teaching,