Periklanan (advertising), Manajemen bisnis (business management), Administrasi bisnis (business administration), Fungsi kantor (office functions), Jasa penjualan termasuk jasa toko eceran (sales services, including retail store services), Jasa pesanan melalui pos (mail order services), Jasa penjualan yang disediakan melalui internet atau melalui jaringan komputer atau melalui jaringan komunikasi lainnya (sales services provided over the internet, or through a computer network or other communications network)