Characteristics of an efficient coding system

  1. Uniqueness: Each item should have one code
  2. Distinctiveness: To avoid errors, codes representing different items should be distinctive.
  3. Clarity: Codes should be entirely alphabetical or numerical.
  4. Brevity: Codes should be brief but consistent with the requirement.
  5. Expandable: Codes should be able to accommodate new additional items.
  6. Significant: The code should signify something about the coded item.

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