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, accessory, adult, african, african american, african-american, afro american, afro-american, associate, board room, boardroom, business man, business woman, businesspeople, casualness, cheerful, colleague, color, colour, communicating, computer, conference, connecting, connexion, daylight, daytime, delighted, displaying, e-book, e-reader, easygoing, electronic book, electronic reader, enjoying, enterprise, examining, executive, exhibiting, eye-glasses, eyeing, fellow, female, fifties, fifty, food, forties, forty, four, furnishing, furniture, gal, gathering, gentleman, glad, glasses, glassware, gratifying, guy, happy, head & shoulders, human, human being, indoor, informal, inside, joining, jolly, joy, lady, lighthearted, looking, male, meeting room, merry, mid life, middle age, middle aged, middle-age, middle-aged, observing, of african descent, operating, paper, person, pleasing, pleasure, reader, relaxing, satisfaction, seated, seeing, smile, specs, spectacles, spectating, spectator, tablet, tablet computer, thirties, thirty, toiling, twenties, twenty, waist-up, western european, wireless, women, work, workplace, world wide web,