analytics-dictionary / term / transformation & metrics

Metric tree

A metric tree breaks a top-level metric down into the input metrics that drive it.

Written by Reflective Data experts · updated Oct 5, 2026

For example revenue splits into traffic, conversion rate and average order value, each of which can be broken down further. It shows teams where they can have impact and helps diagnose why a number moved.

Defined as code in a semantic layer, it keeps everyone on the same definitions.

Metric North Star metric Semantic layer

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Data grain

The grain of a table is what a single row represents, such as one order line…

dbt-snapshot.md

dbt snapshot

A dbt snapshot records changes to a mutable table over time, producing a history of each…

data-mart.md

Data mart

A data mart is a focused subset of a warehouse built for one team or subject,…

dbt.md

dbt

dbt is a tool for transforming data in a warehouse using SQL, with version control, testing…

dataform.md

Dataform

Dataform is a Google Cloud service for developing and orchestrating SQL transformations in BigQuery.

dimension.md

Dimension

A dimension is an attribute used to slice or group metrics, such as country, device or…

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