Instead, they are either logographic writing systems — where each symbol represents a word or concept, such as "mountain" — ...

Symbol equations are a quick way of representing chemical reactions. They show us what atoms are involved and how they are bonded together. Symbol equations always take the form, reactants → ...

Writing is a complex system of rules that tells us how to arrange and interpret symbols to convey all kinds of information, from literal descriptions to abstract thoughts. Long before those rules ...

The world's oldest known system of writing was influenced by symbols used for trade — engravings found on cylinders used in the exchange of farming produce and textiles, a new study suggests.