Apply name changes to elastic agent docs (elastic#21549)

* Apply name changes to elastic agent docs

* Temporarily comment out image

* Remove reviewer notes

x-pack/elastic-agent/docs/elastic-agent-command-line.asciidoc

@@ -46,10 +46,10 @@ elastic-agent enroll <kibana_url> <enrollment_token> [--ca-sha256 <string>]
 === Options
 
 `kibana_url`::
-Required. URL of the {kib} endpoint where {ingest-manager} is running.
+Required. URL of the {kib} endpoint where {fleet} is running.
 
 `enrollment_token`::
-Required. Enrollment token generated by {ingest-manager}. You can use the same
+Required. Enrollment token generated by {fleet}. You can use the same
 enrollment token for multiple agents.
 
 `--ca-sha256 <string>`::
@@ -60,7 +60,7 @@ verification.
 Comma-separated list of root certificates used for server verification.
 
 `--force`::
-Force overwrite of current configuration without prompting for confirmation.
+Force overwrite of current policy without prompting for confirmation.
 This flag is helpful when using automation software or scripted deployments.
 
 `--help`::
@@ -125,9 +125,9 @@ elastic-agent help enroll
 [[elastic-agent-inspect-command]]
 == elastic-agent inspect
 
-Show the current {agent} configuration.
+Show the current {agent} policy.
 
-If no parameters are specified, shows the full {agent} configuration.
+If no parameters are specified, shows the full {agent} policy.
 
 [discrete]
 === Synopsis
@@ -145,7 +145,7 @@ elastic-agent inspect output [--output <string>] [--program <string>]
 [discrete]
 === Options
 
-`output`:: Display the current configuration for the output. This command
+`output`:: Display the current policy for the output. This command
 accepts additional flags:
 +
 --
@@ -197,7 +197,7 @@ elastic-agent run [global-flags]
 These flags are valid whenever you run `elastic-agent` on the command line.
 
 `-c <string>`::
-The configuration file to use. If not specified, {agent} uses
+The policy file to use. If not specified, {agent} uses
 `{path.home}/elastic-agent.yml`.
 
 `--e`::
@@ -209,7 +209,7 @@ The environment in which the agent will run.
 //TODO: Clarify what we mean by environment by showing an example.
 
 `--path.config <string>`::
-The directory where {agent} looks for its configuration file. The default
+The directory where {agent} looks for its policy file. The default
 varies by platform.
 
 `--path.data <string>`::
@@ -220,7 +220,7 @@ If not specified, {agent} uses `{path.home}/data`.
 
 `--path.home <string>`::
 The home directory of {agent}. `path.home` determines the location of the
-configuration files and data directory.
+policy files and data directory.
 +
 If not specified, {agent} uses the current working directory.
 

x-pack/elastic-agent/docs/elastic-agent-configuration-example.asciidoc

@@ -1,10 +1,10 @@
-[[elastic-agent-configuration-example]]
+[[elastic-agent-policy-example]]
 [role="xpack"]
-= Configuration example
+= Policy example
 
 beta[]
 
-The following example shows a full list of configuration options:
+The following example shows a full list of policy options:
 
 [source,yaml]
 ----

x-pack/elastic-agent/docs/elastic-agent-configuration.asciidoc

@@ -18,7 +18,7 @@ and send the logs and metrics to the same {es} instance.
 To alter this behavior, configure the output and other configuration settings.
 When running the agent standalone, specify configuration settings in the
 `elastic-agent.yml` file. When using {fleet}, do not modify settings in
-the `elastic-agent.yml` file. Instead, use {ingest-manager} in {kib} to change
+the `elastic-agent.yml` file. Instead, use {fleet} in {kib} to change
 settings.
 
 TIP: To get started quickly, you can use {fleet} to generate a standalone

x-pack/elastic-agent/docs/run-elastic-agent.asciidoc

@@ -12,8 +12,8 @@ configure and manage the agent.
 == Run in {fleet} mode
 
 With _fleet mode_, you manage {agent} remotely. The agent uses a trusted {kib}
-instance to retrieve configurations and report agent events. This trusted {kib}
-instance must have {ingest-manager} and {fleet} enabled.
+instance to retrieve policies and report agent events. This trusted {kib}
+instance must have {fleet} enabled.
 
 To create a trusted communication channel between {agent} and {kib}, enroll the
 agent to {fleet}.
@@ -22,14 +22,14 @@ To enroll an {agent} to {fleet}:
 
 . Stop {agent}, if it's already running.
 
-. In {ingest-manager}, click **Settings** and change the defaults, if necessary.
+. In {fleet}, click **Settings** and change the defaults, if necessary.
 For self-managed installations, set the URLs for {es} and {kib}, including
 the http ports, then save your changes.
 +
 [role="screenshot"]
-image::images/kibana-ingest-manager-settings.png[{ingest-manager} settings]
+//image::images/kibana-fleet-settings.png[{fleet} settings]
 
-. Select **{fleet}**, then click **Add agent** to get an enrollment token. See
+. Select **Agents**, then click **Add agent** to get an enrollment token. See
 <<ingest-management-getting-started>> for detailed steps.
 
 . Change to the directory where {agent} is installed, and enroll the agent to
@@ -60,8 +60,8 @@ To start {agent} manually, run:
 
 include::{beats-repo-dir}/x-pack/elastic-agent/docs/tab-widgets/run-standalone-widget.asciidoc[]
 
-Use the `-c` flag to specify the configuration file. If no configuration file is
-specified, {agent} uses the default configuration, `elastic-agent.yml`, which is
+Use the `-c` flag to specify the policy file. If no policy file is
+specified, {agent} uses the default policy, `elastic-agent.yml`, which is
 located in the same directory as {agent}.
 
 For configuration options, see <<elastic-agent-configuration>>.

x-pack/elastic-agent/docs/running-on-kubernetes.asciidoc

@@ -44,7 +44,7 @@ curl -L -O https://raw.githubusercontent.com/elastic/beats/{branch}/deploy/kuber
 
 By default, {agent} is enrolled to an existing Kibana deployment,
 if present using the specified credentials. FLEET_ENROLLMENT_TOKEN parameter is used to connect Agent to the
-corresponding Ingest Management configuration. It is suggested to connect Daemonset Agents to a node scope configuration
+corresponding {agent} policy. It is suggested to connect Daemonset Agents to a node scope configuration
 and Deployment Agent to a cluster scope configuration. Then Kubernetes package will be deployed enabling cluster scope
 datasets using cluster scope configuration while node scope datasets will be enabled under node scope configuration.
 

x-pack/elastic-agent/docs/unenroll-elastic-agent.asciidoc

@@ -4,7 +4,7 @@
 
 You can unenroll an agent to invalidate the API key used to connect to {es}.
 
-. In {ingest-manager}, select **{fleet}**.
+. In {fleet}, select **Agents**.
 
 . Under Agents, choose **Unenroll** from the **Actions** menu next to the agent
 you want to unenroll.