7. Glossary

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Term Meaning
Agent A saved assistant with instructions, a model and a fixed set of tools. Other systems can call it after a reviewer approves a version.
Approval A confirmation the assistant asks for before it changes something.
Batch / Streaming The two schedule types in the Scheduler. Streaming (the default) runs once; Batch repeats.
Catalog The searchable list of datasets, ETL jobs and warehouses.
Compute The memory and processor size given to a runtime.
Connection A saved link to an outside system. Code uses it by name and holds no credentials.
Contract tab A Catalog tab that shows how to call a dataset or job from outside Groundzero.
Dashboard A page of visualizations in tabs, with filters. You can publish it and import it into a workspace.
Dataset A saved SQL or code query whose result charts and dashboards use.
ETL job Python code in a project that reads, changes and writes data.
Lakehouse / Warehouse Groundzero storage for governed tables, organised in databases and tables.
Lineage A map of how data flows between tables, jobs and datasets.
MCP Model Context Protocol, a standard way for tools and assistants to work with Groundzero.
Ontology Shared business definitions (entities, metrics, terms) that the assistant can use as context.
Project A DE/ML container for jobs, notebooks, models and agents.
Runtime (RTE) The environment that runs your code: Standard, DuckDB or Spark, and their variants.
Session A running notebook. You start it, work in it and stop it.
Site Your organisation's Groundzero, with its own logo and theme.
System variable A placeholder such as ${JOBNM} that Groundzero fills in before your code runs.
Visualization A saved chart or table on a dataset.
Workspace A named folder that holds imported (published) dashboards.