• Higher-level language constructs:
  
  • Arithmetic Expressions: x := a + b * c

  • Control Constructs:
    while expression do statement

  • Data Structures:
    people[i].spouse^.mother

  • Messages:
    obj.draw()

• One-to-many translation: one statement of input generates many machine instructions.

• Error checking, e.g. detection of type errors.

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