GLOSSARY
Metric glossary
A shared vocabulary, searchable and deep-linkable.
Unique users active in a day.
Formula
DAU = count_distinct(user_id, day)
Formula
stickiness = DAU / MAU
Conversion rate between two funnel steps.
RelatedFunnel
Formula
conv = step_n / step_n-1
Ordered sequence of events with a rate per step.
RelatedConversion
Formula
funnel_i = users(event_i ∩ path_prev)
Rule for crediting conversions to acquisition channels.
RelatedCAC
Formula
attr = Σ (weight × touchpoint)
Formula
lag = now() - max(event_ts)
Layer where metrics are defined once and exposed to every consumer.
RelatedContract
Formula
metric(name) = expr + grain + filters
Hierarchical decomposition of a root metric into drivers.
RelatedSemantic layer
Formula
root = Π(driver_i)
The single metric that captures value delivered to the customer.
RelatedKPI tree
Formula
north_star ≈ value_delivered_per_period
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