A sign is a symbol or gesture that conveys meaning. An OMEN is a sign that is believed to foretell the future, usually of a negative nature. The term 'OMEN' is derived from the Latin word 'ominis, ' which means 'of or relating to omens.' LEO is a constellation in the northern sky and is one of the most recognizable constellations in the night sky. It is also the fifth astrological sign in the zodiac and is associated with the element of fire. ARIES is the first astrological sign in the zodiac and is associated with the element of fire. It is represented by a ram and is known for its fiery energy and assertive nature. All three terms, OMEN, LEO, and ARIES, are related to signs and symbols that convey meaning and can be used to predict the future.