accepting
box
boy
business
businessman
cardboard
cash
client
courier
customer
deliver
delivering
delivery
distribution
employee
gift
giving
hiding
job
mail
mailbox
man
manager
money
office
order
ordering
package
packet
parcel
paying
payment
pocket
post
postage
postal
postbox
postman
present
receipt
receiving
sending
service
shipping
sign
signing
timely
tips
work
worker