A segment is a saved definition of a consumer group, built from attributes and conditions. The Audiences view shows your total consumers, how many are reachable (opted-in) and how many are active.
*Saved segments on the left, the builder below, with a live reach estimate.*
Total and reachable are different numbers, and the gap matters — only opted-in consumers can be messaged, and the platform enforces that server-side.
TO BUILD ONE
1. Choose an attribute — for example Submissions (30d).
2. Pick an operator — is at least.
3. Set a value — 5.
4. Add more conditions with AND or OR, such as Region is one of Kano, Kaduna, Katsina.
As you edit, the estimate under the builder updates: "Matches ~N consumers". If it reads ~0 while you know you have thousands of consumers, your conditions are ANDed too tightly — remove them one at a time and watch it recover.
Some attributes only make sense at the moment something happens rather than as a standing property. When you use one, the estimate says so. The segment still saves and still works as a campaign filter; it just cannot be counted in advance.
WHAT YOU GET
Each saved segment shows its name, its criteria in plain language, its current size, and whether it is live or static. From its menu you can edit it back into the builder, send a one-off message, export the members as CSV, or delete it.
Segments feed campaign targeting, broadcasts and exclusion rules. The builder uses the same grammar as campaign rules.