Overview first pass

Author: rchinn1

src/engage/trait-activation/overview.md

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+---
+title: Trait Activation Overview
+beta: true
+plan: engage-foundations
+---
+
+Use Trait Activation to configure sync payloads that you send from Engage Audiences to a Destination. Map traits from user profiles to Destinations, configure identifiers to sync, and choose a sync strategy that fits your use cases. 
+
+Trait Activation includes both [Trait Enrichment](/docs/engage/trait-activation/trait-enrichment/) and [ID Sync](/docs/engage/trait-activation/id-sync/). With Trait Enrichment, use custom, SQL, computed, and predictive traits to enrich the data you map to your Destinations. Use ID Sync to select identifiers and a sync strategy for each identifier when syncing Engage Audiences to Destinations.
+
+
+## Use cases 
+
+Trait Enrichment and ID Sync can help you:
+
+- **Increase match rates in advertising destinations**: Expand the pool of users you advertise to and increase match rates by using more traits and identifiers to find the right customers. 
+
+- **Include more personalized message content**: Use Trait Enrichment to include traits in your payload. This leads to more up-to-date, accurate data that you can use for personalization.
+
+- **Configure how identifiers are sent to destinations**: Send the right identifiers to your destinations. When profiles have multiple identifiers, you can choose the right strategy to select identifiers and send them downstream.
+
+
+## Next steps 
+
+To learn more about Trait Activation, visit the following docs:
+
+- View [Trait Activation Setup](/docs/engage/trait-activation/trait-activation-setup/) to learn how to setup your warehouse and get started with Trait Activation. 
+- Visit [Trait Enrichment](/docs/engage/trait-activation/trait-enrichment/) to learn how to use Trait Enrichment.
+- Learn more about how to get started with [ID Sync](/docs/engage/trait-activation/id-sync/).
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+
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