- Activity: A working group within the workpackage that is responsible for a series of operations (tasks) listed in the workplan (description of work). Each activity has an Activity Leader and a list of Components & Milestones. See also the Deliverables page.
- Component: A software application (desktop or web based) for human users or a (web) service.
- Cybertaxonomy: An integrated way to do taxonomy using standardized electronic tools and resources. See the posting on Cybertaxonomy.
- ISTC: Information Science and Technology Commission. See the ISTC page.
- Platform: A collection of interoperable but independent Platform Components. See the Platform page.
- Service: A service may provide either (authoritative) data (a data service), some kind of transformation (a transformation service), validation of data (validation service) or other data processing.