moving to AEM community for comment

@RS195 following reference docs can help answer most of your open questions.  https://experienceleague.adobe.com/en/docs/experience-platform/destinations/catalog/warehouse/snowflake-batchhttps://experienceleague.adobe.com/en/docs/experience-platform/sources/connectors/databases/snowflake-streaming 

To your two specifics: Schedule timezone Yes. When you configure a schedule in the UI (Daily/Weekly, etc.), the time you pick is interpreted in UTC, not your local time zone.​ Last run timestamp timezone The underlying run time is stored in UTC, but the UI renders “Last run timestamp” in a huma...

Steps to create the audience  In Schemas: Open your profile schema, confirm: Class = XDM Individual Profile. “Profile” toggle is on. A primary identity field is configured. The email field you care about is present (e.g., personalEmail.address).​ In Datasets: Open the dataset you query, co...

@OmarGo2  At first, It may be related with Audience evaluation timing and backfill. i.e. For batch evaluation, newly ingested records may need a run of the segmentation job before counts appear.If using edge segmentation, ensure that your test profiles have gone through the necessary data flow and a...

@RS195 Great question! The streaming audiences that are profile-only and use an Active‑on‑Edge merge policy are still evaluated by the core streaming engine, but the UI will continue to show “Last evaluation method = Batch” because that label reflects the most recent scheduled/batch run, not the con...

@Michael_Soprano Per doc  Last run timestamp—The most recent timestamp when the query was run. This column highlights whether a query has been executed according to its current schedule. More details here

@JohanneVi when you create an audience using Query Service, the query is used to define membership, but the audience still lives in Profile + Segmentation, which means membership is continuously re-evaluated as profiles change. This behaviour is expected, membership can drop due to identity resoluti...

@Michael_Soprano trackState can be called to send in the State Name (Page Name in Analytics), as well as additional data.  See details here: https://experienceleague.adobe.com/en/docs/analytics-learn/tutorials/mobile-app-analytics/implementation/tracking-state-aka-pages-or-screens Thanks, Asheesh

Well done! Devyender