abstract
attitude
break
business
busy
clean
closed
concept
disturb
do
door
education
entrance
hang
hotel
house
icon
knob
label
leisure
lock
message
not
note
paper
peace
pen
pencil
plan
privacy
private
quiet
relax
room
service
sign
silence
sleep
solitude
symbol
tag
text
think
time
travel
vacation
warning
word
work
write