Stability in business matters, reliable social contacts, practical foundation, stable conditions, laying the foundation for future progress, a stable business environment, using good business sense. The four walls of a building or room, the four legs of a table, a worktable or the social table. A four-wheeled vehicle: a coach, a car, a truck, a cart, a baby carriage, a trip by car. Verbal communication, a telephone call, voice message, and video chat.