address
arrive
await
box
business
communicate
communication
concept
container
deliver
delivery
document
email
empty
envelope
express
flag
got
inbox
information
inside
isolated
junk
letter
mail
mailbox
message
metal
news
office
open
ornamental
package
paper
post
postage
postal
priority
red
redflag
send
ship
shipment
standard
steel
symbol
urgent
white