The International Code of Signals is the system of 40 international maritime signal flags, each signifying letters and numbers which conceivably can be combined and then decoded to communicate from afar anything that someone on one ship may wish to say to another. Two or three flags hung together to say something true.
I am continuing to search (FZ1)
Applique detail on "1" flag
I will stand by you (EA)
I will carry a light (LRM)
Stop carrying out your intentions and wait for my signal (X)