underwater
assistance
background
blue
bottle
castaway
communicate
communication
concepts
container
copy
cork
despair
desperation
document
floating
flowing
glass
global
glossy
help
hope
ideas
isolated
letter
loneliness
lost
mail
message
ocean
outdoors
paper
remote
rescue
ripple
salvation
scroll
sea
secret
shipwreck
solitude
sos
space
support
survival
survive
symbol
water
wave
white