Ключевые слова: academic, background, board, bookcase, bookshelf, business, concept, design, education, education icon, element, graphic, icon, illustration, information, interior, isolated, knowledge, learn, library, line, linear, literature, logo, name, name plate, object, office, outline, pictogram, place, public, rental, room, room sign, school, shelf, sign, signage, simple, space, study, symbol, university, web,