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ABAP Keyword Documentation → ABAP − Reference → ABAP Syntax → ABAP Statements → Operands →Names for Individual Operands
An individual operand, meaning an operand that is not an expression, can be elementary or made up of components. Composite operands are:
Accordingly, names for operands are either elementary names or names constructed from multiple names separated by component selectors. An elementary name is used for addressing:
Naming conventions apply to the elementary names. Composite names with component selectors are used for addressing individual components. A component can itself be a superunit of further components. Subcomponents can be addressed by chaining multiple names.
Note
As well as the component selectors listed here, Open SQL has a column selector (~).