A defined group of people sharing common attributes demographics, behavioral patterns, or location history used to target advertising campaigns or enrich analytics.
Segments can be built from almost any combination of signal someone who visited three competing gyms in the last month, or households in a given income band within a 10-minute drive of a store and are the basic unit that gets activated in a DSP, a lookalike model, or a CRM enrichment pipeline.
Further reading: Building audience segments · Audience targeting methods
