Update Network session analytics documentation with dataset info and location details (#30051)

Author: cloudflare-noelle

src/content/docs/cloudflare-one/insights/analytics/network-sessions.mdx

@@ -12,6 +12,8 @@ import { Render } from "~/components";
 
 The Network session analytics dashboard provides visibility into your Cloudflare One traffic patterns. This dashboard helps you understand how traffic flows through your network, including on-ramps (entry points like WARP or Magic Tunnel) and off-ramps (destinations like Internet or Cloudflare Tunnel).
 
+The dashboard is based on the [Zero Trust network sessions Logpush dataset](/logs/logpush/logpush-job/datasets/account/zero_trust_network_sessions/). For definitions on any field, refer to the dataset schema documentation.
+
 To review Network session analytics:
 
 1. In [Cloudflare One](https://dash.cloudflare.com), go to **Insights** > **Dashboards**.
@@ -38,8 +40,9 @@ The Network session analytics dashboard helps you:
 
 ### Traffic by location
 
-- **World map**: Geographic visualization of network traffic by location
-- **Location list**: Top locations by session count with accompanying graph
+- **World map**: Geographic visualization of network traffic by the Cloudflare data center (or colocation) of the ingress and egress
+- **Location list**: Top Cloudflare data center (or colocation) locations of the ingress and egress by session count with accompanying graph
+- **Change**: Shows the total change across ingress and egress for each location
 
 ### Top analytics
 
@@ -59,5 +62,5 @@ The Network session analytics dashboard helps you:
 
 ## Related resources
 
-- [Network logs](/cloudflare-one/insights/logs/dashboard-logs/gateway-logs/): View detailed logs for individual network sessions.
+- [Zero Trust network sessions Logpush dataset](/logs/logpush/logpush-job/datasets/account/zero_trust_network_sessions/): View detailed logs for individual network sessions.
 - [Gateway network policies](/cloudflare-one/traffic-policies/network-policies/): Configure policies that apply to network traffic.