Key to the Near & Far® Diagrams
| Element Occurrences | ||
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Required | |
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Optional. May occur zero or one time. | |
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Required, repeatable. May occur one or more times. | |
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Optional, repeatable. May occur zero or more times. | |
| Additional Symbols Associated with Elements | ||
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Element content is expanded elsewhere in the diagram. | |
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The element has attributes. | |
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One or more elements collapsed for clarity | |
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Element is the root element of the model. | |
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Text, numbers, and special characters | |
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Excluded elements that are prohibited from being within the current element | |
| Grouping elements | ||
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Required sequence: Element1 followed by Element2 followed by Element3 | |
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Choice of sequence: Element1 or Element2 or Element3 | |
| Compound Examples | ||
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Zero or more repetitions of Element1 or Element2 or Element3 followed by zero or one occurrences of Element4 | |
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Zero or one occurrence of either Element1 followed by Element2 followed by Element3 or one or more occurrences of Element4 | |
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Either one or more repetitions of Element1 followed by Element2 or one or more occurrences of Element4 | |