Common Dictionary Structure
- Definition
- Clear and concise
- Unambiguous
- Atomic and self-contained
- Unique within same dictionary
- May use (incorporate) previously defined EC or EA concepts
- Label
- Each uniquely denotes a concept,
- Each is a succinct expression of the concept it denotes,
- Labels are represented as character strings, and
- Labels are human readable
- Code
- Each uniquely denotes a concept,
- Codes are represented as integers, and
- Codes are assigned sequentially in increasing order beginning at 1.
- Use of recognized abbreviations and acronyms must satisfy a set of guidelines