20-25, 20-30, 20's, 20s, 25-30, 3, 40-45, 40-50, 40's, 40s, 45-50, 50-55, 50-60, 55-60, adult, associate, care giver, care-giver, caregiver, chatting, colleague, color, colour, communicating, communication, control, conversation, conversing, daylight, daytime, dialog, dialogue, discussing, doc, equipment, expert, fellow, female, fifties, fifty, forties, forty, full body, full-length, gal, general practitioner, gentleman, guy, hall, health, health-care, healthcare professional, healthcare worker, hearing, human, human being, hurrying, indoor, inside, lady, listener, low angle, male, md, medic, medical care, medical equipment, medical science, mid life, middle age, middle aged, middle-age, middle-aged, negative space, passageway, person, physician, power, speaking, stepping, striding, talker, three, three-quarter length, together, toiling, twenties, twenty, western european, white coat, white space, women, work,