I think you mean IHS rather than YHS. Although originally simply standing for Christ's name, IHS is now regarded as a monogram that stands for the Latin Iesus Hominum Salvator - Jesus the Saviour of the World.
yhs
The most widely known Christian symbol is the cross. Other Christian symbols include the fish sign, Greek symbols alpha and omega, staurogram, anchor, and dove.
The airport code for Sechelt Aerodrome is YHS.
Some common Christian symbols include the crucifix, the ichthys and the staurogram. You can get more information about these symbols and more at the Wikipedia. Once on the website, type "Christian symbolism" into the search field at the top of the page and press enter to bring up the information.
the swastika
constantine
The question is ambiguous as there are no Christian 'symbols.' Perhaps you are asking about astronomical or zodiak signs in which case this question is better placed in astrology and not Christianity.
The cross is the main one, the fish is another.
A cross and a fish
The cross and love.
They can mean words like our letters are kind of like their symbols. It is just another language but sometimes there hieroglyphic symbols mean sentences.
If you mean the symbols like +, -, etc., those are called "operators".If you mean the symbols like +, -, etc., those are called "operators".If you mean the symbols like +, -, etc., those are called "operators".If you mean the symbols like +, -, etc., those are called "operators".