Ключевые слова: announcement, apologize, apology, background, billboard, board, communication, concept, conceptual, cork, cork board, corkboard, empty, excuse, memo, message, mistake, note, note pad, notepad, notepaper, noticeboard, office, paper, pin, pinned, pushpin, remember, remind, reminder, sad, sadness, sheet, sorry, text, thumbtack, unhappy, word, yellow,