This unit implements TRpLabel and TRpExpression.
| Name | Base class | Description |
| TIdenRpExpression | TIdenFunction | A expression evaluator function returning the value of the TRpExpression component, the function name will be the Identifier property |
| TRpLabel | TRpGenTextComponent | Implementation of label printing, multilanguage |
| TRpExpression | TRpGenTextComponent | Implementation for printing expressions and database fields |