| unit | names the unit used for the measurement| Status | Optional |
| Datatype | |
| Suggested values include: | - cm
- (centimetres)
- mm
- (millimetres)
- in
- (inches)
- lines
- lines of text
- chars
- (characters) characters of text
|
|
| quantity | specifies the length in the units specified |
| extent | indicates the size of the object concerned using a project-specific vocabulary combining
quantity and units in a single string of words. | Status | Optional |
| Datatype | 1–∞ occurrences of separated by whitespace |
| Values | any measurement phrase, e.g. 25 letters, 2 × 3
inches. |
|
<gap extent="5 words"/>
| <height extent="half the page"/>
|
|
| precision | characterizes the precision of the values specified by the other attributes. |
| scope | where the measurement summarizes more than one observation, specifies the applicability
of this measurement.| Status | Optional |
| Datatype | |
| Sample values include: | - all
- measurement applies to all instances.
- most
- measurement applies to most of the instances inspected.
- range
- measurement applies to only the specified range of instances.
|
|