Ключевые слова: appreciation, background, business, card, cardboard, closeup, common, concept, conceptual, crumbled, favor, feel, grateful, gratefulness, gratitude, greeting, hand, handwriting, handwritten, help, idea, isolated, language, letter, manners, message, note, page, paper, phrase, polite, politeness, praise, promo, promotion, response, reward, sincere, sincerity, society, symbol, text, textured, thank, thank you, thankful, white, word, written, you,