IT-specific terms are available here: Glossary of Terms
Standards: Summary of units and data fields that facilitate aggregation of data through the WDI so that we have a common format (and minimal set of details) that information is being reported/displayed.
Data standards describe the kinds of information we want to include for a given dataset/data type. For example, for groundwater levels, this would capture information about date, depth below to ground surface, etc.
Metadata standards describe the format in which data is collected or recorded (e.g., YYYY-MM-DD for dates and feet for depth below ground surface).
Descriptive metadata may capture methodological details about how data is collected
Units within original data sources can be of any format but should be well-described to facilitate integration.
Crosswalks describe how information within original data sources align with the data and metadata standards (e.g., see example here: …)
Dictionary describe the column names, format of information, and can include a description of units where necessary.
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