customs — the part of a port, airport, frontier station, etc, where baggage and freight are examined for dutiable goods and contraband
businesses — an occupation, profession, or trade: His business is poultry farming.
followings — a body of followers, attendants, adherents, etc.
audiences — the group of spectators at a public event; listeners or viewers collectively, as in attendance at a theater or concert: The audience was respectful of the speaker's opinion.