2, 20-25, 20-30, 20's, 20s, 25-30, adult, african, african american, african-american, afro american, afro-american, arranging, associate, back-lit, backlit, black, business clothing, business man, business woman, businesspeople, chatting, close-up, closeup, collaborating, colleague, color, colour, communicating, computer, conference, connecting, connexion, conversation, conversing, daylight, daytime, dialog, dialogue, discussion, displaying, e-book, e-mailing, e-reader, electronic book, electronic device, email, enterprise, executive, exhibiting, fellow, female, gal, gathering, gentleman, guy, head & shoulders, hearing, human, human being, indoor, inside, joining, lady, listener, male, negative space, of african descent, operating, organizing, person, smile, speaking, suit, tablet computer, talker, team, twenties, twenty, two, western european, white space, wireless, women, work, workplace, world wide web,
