20-25, 20-30, 20's, 20s, 25-30, 30-35, 30-40, 30's, 30s, 35-40, 4, 40-45, 40-50, 40's, 40s, 45-50, 50-55, 50-60, 55-60, adult, african, african american, african-american, afro american, afro-american, arranging, associate, board room, boardroom, business man, business woman, businesspeople, casualness, cheerful, collaborating, colleague, color, colour, communicating, computer, concept, conference, connecting, connexion, daylight, daytime, delighted, displaying, e-book, e-reader, easygoing, electronic book, electronic reader, enjoying, enterprise, examining, executive, exhibiting, eyeing, fellow, female, fifties, fifty, forties, forty, four, gal, gathering, gentleman, glad, gratifying, guy, happy, head & shoulders, human, human being, ideas, indoor, informal, inside, joining, jolly, joy, lady, lighthearted, looking, male, meeting room, merry, mid life, middle age, middle aged, middle-age, middle-aged, negative space, notion, observing, of african descent, operating, organizing, paper, person, pleasing, pleasure, reader, relaxing, satisfaction, seated, seeing, smile, spectating, spectator, tablet, tablet computer, team, thirties, thirty, tilting, toiling, twenties, twenty, western european, white space, wireless, women, work, workplace, world wide web,
