Update with jhlodin feedback (1)

Author: rmloveland

src/current/v25.1/deployment-operations-skills-taxonomy.md

@@ -21,32 +21,38 @@ Each section includes links to relevant documentation for the listed skills.
 Cockroach Labs offers [Professional Services](https://www.cockroachlabs.com/company/professional-services/) that can assist you with getting applications into production faster and more efficiently.
 {{site.data.alerts.end}}
 
-## Configuration
+## Infrastructure configuration
+
+This section covers how to ensure that your hardware and network are properly configured to meet the performance and connectivity requirements of CockroachDB.
 
 - [Verify vCPU, RAM, storage, and disk IOPS performance]({% link {{ page.version.version }}/recommended-production-settings.md %}#hardware)
 - [Configure time synchronization with NTP server]({% link {{ page.version.version }}/deploy-cockroachdb-on-premises.md %}#step-1-synchronize-clocks)
 - [Validate network connectivity]({% link {{ page.version.version }}/known-limitations.md %}#cockroachdb-does-not-test-for-all-connection-failure-scenarios)
 
 ## Security
 
+This section covers how to secure a CockroachDB deployment, including certificate management, load balancing setup, role-based access control, and data encryption.
+
 - [Create and distribute certificates; initialize cluster]({% link {{ page.version.version }}/deploy-cockroachdb-on-premises.md %}#step-2-generate-certificates)
 - [Configure load balancer and direct a workload]({% link {{ page.version.version }}/deploy-cockroachdb-on-premises.md %}#step-6-set-up-load-balancing)
 - [Configure RBAC]({% link {{ page.version.version }}/security-reference/authorization.md %})
 - [Encryption at rest]({% link {{ page.version.version }}/encryption.md %})
 
 ## Cluster maintenance
 
+This section covers how to manage the lifecycle of CockroachDB nodes, including adding and removing nodes, handling outages, performing upgrades or downgrades, and modifying cluster settings.
+
 - [Shut down a node gracefully]({% link {{ page.version.version }}/node-shutdown.md %})
-- [Handling unplanned node outages]({% link {{ page.version.version }}/recommended-production-settings.md %}#load-balancing)
-- [Adding nodes]({% link {{ page.version.version }}/cockroach-start.md %}#add-a-node-to-a-cluster)
-- [Removing nodes]({% link {{ page.version.version }}/node-shutdown.md %}?filters=decommission#remove-nodes)
+- [Handle unplanned node outages]({% link {{ page.version.version }}/recommended-production-settings.md %}#load-balancing)
+- [Add nodes]({% link {{ page.version.version }}/cockroach-start.md %}#add-a-node-to-a-cluster)
+- [Remove nodes]({% link {{ page.version.version }}/node-shutdown.md %}?filters=decommission#remove-nodes)
 - [Add a region]({% link {{ page.version.version }}/alter-database.md %}#add-regions-to-a-database)
 - [Remove a region]({% link {{ page.version.version }}/alter-database.md %}#drop-region)
 - [Rolling upgrades]({% link {{ page.version.version }}/upgrade-cockroach-version.md %}#perform-a-patch-upgrade)
 - Downgrade a cluster from a [patch version]({% link {{ page.version.version }}/upgrade-cockroach-version.md %}#roll-back-a-patch-upgrade)
 - Downgrade a cluster from a [major version]({% link {{ page.version.version }}/upgrade-cockroach-version.md %}#roll-back-a-major-version-upgrade)
 - [Change a cluster setting]({% link {{ page.version.version }}/cluster-settings.md %}#change-a-cluster-setting)
-- Cluster repaving involves the following individual skills, which are also used during [rolling upgrades]({% link {{ page.version.version }}/upgrade-cockroach-version.md %}#perform-a-patch-upgrade):
+- Repave a cluster: cluster repaving involves the following individual skills, which are also used during [rolling upgrades]({% link {{ page.version.version }}/upgrade-cockroach-version.md %}#perform-a-patch-upgrade):
     1. [Shut down a node gracefully]({% link {{ page.version.version }}/node-shutdown.md %})
     1. Detach the [persistent volume]({% link {{ page.version.version }}/kubernetes-overview.md %}#kubernetes-terminology) (a.k.a. persistent disk) from the removed node's virtual machine (VM) (this step is optional but recommended)
     1. Delete the removed node's VM
@@ -56,18 +62,22 @@ Cockroach Labs offers [Professional Services](https://www.cockroachlabs.com/comp
 
 ## Troubleshooting
 
+This section contains a list of common issues related to SQL performance, cluster stability, memory usage, load balancing, and changefeed lag.
+
 - [SQL response time for specific queries]({% link {{ page.version.version }}/query-behavior-troubleshooting.md %}#query-issues)
 - [SQL throughput degradation across the board]({% link {{ page.version.version }}/query-behavior-troubleshooting.md %}#low-throughput)
 - [Cluster instability: Dead/suspect nodes]({% link {{ page.version.version }}/cluster-setup-troubleshooting.md %}#node-liveness-issues)
-- [Out of memory problems]({% link {{ page.version.version }}/cluster-setup-troubleshooting.md %}#out-of-memory-oom-crash)
+- [Out of memory (OOM) problems]({% link {{ page.version.version }}/cluster-setup-troubleshooting.md %}#out-of-memory-oom-crash)
 - [Imbalanced cluster load]({% link {{ page.version.version }}/architecture/replication-layer.md %}#load-based-replica-rebalancing)
-- [EOF errors]({% link {{ page.version.version }}/cluster-setup-troubleshooting.md %}#client-connection-issues)
+- [End of file (EOF) errors]({% link {{ page.version.version }}/cluster-setup-troubleshooting.md %}#client-connection-issues)
 - [Changefeed is falling behind]({% link {{ page.version.version }}/advanced-changefeed-configuration.md %}#lagging-ranges)
-- [Get a "debug zip" file]({% link {{ page.version.version }}/cockroach-debug-zip.md %})
-- [Get a "tsdump" (timeseries dump) file]({% link {{ page.version.version }}/cockroach-debug-tsdump.md %})
+- [Gather diagnostic data from a "debug zip" file]({% link {{ page.version.version }}/cockroach-debug-zip.md %})
+- [Collect timeseries diagnostic data from a "tsdump" file]({% link {{ page.version.version }}/cockroach-debug-tsdump.md %})
 
 ## Disaster recovery
 
+This section covers how to set up and manage backup and restore of your cluster to ensure data recovery in case of failures.
+
 - [Create AWS IAM access key]({% link {{ page.version.version }}/cloud-storage-authentication.md %})
 - [Create S3 bucket for backup data]({% link {{ page.version.version }}/use-cloud-storage.md %}#amazon-s3-storage-classes)
 - [Full cluster backup to S3]({% link {{ page.version.version }}/take-full-and-incremental-backups.md %}#full-backups)
@@ -77,7 +87,7 @@ Cockroach Labs offers [Professional Services](https://www.cockroachlabs.com/comp
 ## See also
 
 - [Production Checklist]({% link {{ page.version.version }}/recommended-production-settings.md %})
-- [Deploy CockroachDB Manually]({% link {{ page.version.version }}/manual-deployment.md %})
+- [Manual Deployment]({% link {{ page.version.version }}/manual-deployment.md %})
 - [Deploy a Local Cluster from Binary (Secure)]({% link {{ page.version.version }}/secure-a-cluster.md %})
 - [SQL Performance Best Practices]({% link {{ page.version.version }}/performance-best-practices-overview.md %})
 - [Performance Tuning Recipes]({% link {{ page.version.version }}/performance-recipes.md %})