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+### Constant
+
+A constant is a value, associated with an identifier.
+The value of a constant can be accessed using the identifier and cannot be altered during execution.
diff --git a/glossary/Variable.md b/glossary/Variable.md
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+### Variable
+
+A variable is a storage location, associated with an identifier and containing a value.
+The value of a variable can be referred using the identifier and can be altered during execution.