[DOCS] Add Kibana screenshots to data stream docs (#60118)

docs/reference/data-streams/data-streams.asciidoc

@@ -56,20 +56,19 @@ image::images/data-streams/data-streams-diagram.svg[align="center"]
 
 To create backing indices, each data stream requires a matching
 <<indices-templates,index template>>. This template acts as a blueprint for the
-stream's backing indices. It contains:
+stream's backing indices. It specifies:
 
-* The mappings and settings applied to each backing index when it's created.
+* One or more wildcard (`*`) patterns that match the name of the stream.
 
-* A name or wildcard (`*`) pattern that matches the data stream's name.
+* The mappings and settings for the stream's backing indices.
 
-* A `data_stream` object with an empty body (`{ }`). This object indicates the
-template is used for data streams.
+* That the template is used exclusively for data streams.
 
-A `@timestamp` field must be included in every document indexed to the data
-stream. This field can be mapped as a <<date,`date`>> or
-<<date_nanos,`date_nanos`>> field data type in the stream's matching index
-template. If no mapping is specified in the template, the `date` field data type
-with default options is used.
+Every document indexed to a data stream must have a `@timestamp` field. This
+field can be mapped as a <<date,`date`>> or <<date_nanos,`date_nanos`>> field
+data type by the stream's index template. If the template does not specify a
+mapping, the `@timestamp` field is mapped as a `date` field  with default
+options.
 
 The same index template can be used to create multiple data streams.
 

docs/reference/data-streams/set-up-a-data-stream.asciidoc

@@ -52,10 +52,18 @@ triggers for such actions.
 TIP: While optional, we recommend using {ilm-init} to manage the backing indices
 associated with a data stream.
 
-The following <<ilm-put-lifecycle,create lifecycle policy API>> request
-configures the `logs_policy` lifecycle policy.
+You can create the policy through the Kibana UI. In Kibana, open the menu and go
+to *Stack Management > Index Lifecycle Policies*. Click *Index Lifecycle
+Policies*.
 
-The `logs_policy` policy uses the <<ilm-rollover,`rollover` action>> to create a
+[role="screenshot"]
+image::images/ilm/create-policy.png[Index Lifecycle Policies page]
+
+You can also create a policy using the <<ilm-put-lifecycle,create lifecycle
+policy API>>.
+
+The following request configures the `logs_policy` lifecycle policy. The
+`logs_policy` policy uses the <<ilm-rollover,`rollover` action>> to create a
 new <<data-stream-write-index,write index>> for the data stream when the current
 one reaches 25GB in size. The policy also deletes backing indices 30 days after
 their rollover.
@@ -92,19 +100,18 @@ PUT /_ilm/policy/logs_policy
 A data stream uses an index template to configure its backing indices. A
 template for a data stream must specify:
 
-* An index pattern that matches the name of the stream.
-
-* An empty `data_stream` object that indicates the template is used for data
-  streams.
+* One or more wildcard (`*`) patterns that match the name of the stream.
 
 * The mappings and settings for the stream's backing indices.
 
+* That the template is used exclusively for data streams.
+
 Every document indexed to a data stream must have a `@timestamp` field. This
 field can be mapped as a <<date,`date`>> or <<date_nanos,`date_nanos`>> field
 data type by the stream's index template. This mapping can include other
 <<mapping-params,mapping parameters>>, such as <<mapping-date-format,`format`>>.
-If the template does not specify a mapping is specified in the template, the
-`@timestamp` field is mapped as a `date` field  with default options.
+If the template does not specify a mapping, the `@timestamp` field is mapped as
+a `date` field  with default options.
 
 We recommend using {ilm-init} to manage a data stream's backing indices. Specify
 the name of the lifecycle policy with the `index.lifecycle.name` setting.
@@ -114,11 +121,24 @@ in this template before creating a data stream. Later changes to the mappings or
 settings of a stream's backing indices may require reindexing. See
 <<data-streams-change-mappings-and-settings>>.
 
-The following <<indices-templates,put index template API>> request
-configures the `logs_data_stream` template.
+You can create an index template through the Kibana UI:
+
+. From Kibana, open the menu and go to *Stack Management > Index Management*.
+. In the *Index Templates* tab, click *Create template*.
+. In the Create template wizard, use the *Data stream* toggle to indicate the
+template is used exclusively for data streams.
+
+[role="screenshot"]
+image::images/data-streams/create-index-template.png[Create template page]
 
-Because no field mapping is specified, the `@timestamp` field uses the `date`
-field data type by default.
+You can also create a template using the <<indices-put-template,put index
+template API>>. The template must include a `data_stream` object with an empty
+body (`{ }`). This object indicates the template is used exclusively for data
+streams.
+
+The following request configures the `logs_data_stream` index template. Because
+no field mapping is specified, the `@timestamp` field uses the `date` field data
+type by default.
 
 [source,console]
 ----
@@ -176,7 +196,7 @@ You can create a data stream using one of two methods:
 [[index-documents-to-create-a-data-stream]]
 ====  Index documents to create a data stream
 
-You can automatically generate a data stream using an indexing request. Submit 
+You can automatically create a data stream using an indexing request. Submit 
 an <<add-documents-to-a-data-stream,indexing request>> to a target
 matching the name or wildcard pattern defined in the template's `index_patterns`
 property.
@@ -250,10 +270,16 @@ PUT /_data_stream/logs_alt
 [[get-info-about-a-data-stream]]
 === Get information about a data stream
 
-You can use the <<indices-get-data-stream,get data stream API>> to get
-information about one or more data streams, including:
+To view information about a data stream in Kibana, open the menu and go to
+*Stack Management > Index Management*. In the *Data Streams* tab, click a data
+stream's name to view information about the stream.
+
+[role="screenshot"]
+image::images/data-streams/data-streams-list.png[Data Streams tab]
+
+You can also use the <<indices-get-data-stream,get data stream API>> to retrieve
+the following information about one or more data streams:
 
-* The timestamp field
 * The current backing indices, which is returned as an array. The last item in
   the array contains information about the stream's current write index.
 * The current generation
@@ -262,8 +288,6 @@ information about one or more data streams, including:
 * The current {ilm-init} lifecycle policy in the stream's matching index
 template
 
-This is also handy way to verify that a recently created data stream exists.
-
 The following get data stream API request retrieves information about the
 `logs` data stream.
 
@@ -330,11 +354,18 @@ data. See <<data-stream-privileges>>.
 [[delete-a-data-stream]]
 === Delete a data stream
 
-You can use the <<indices-delete-data-stream,delete data stream API>> to delete
-a data stream and its backing indices.
+You can use the Kibana UI to delete a data stream and its backing indices. In
+Kibana, open the menu and go to *Stack Management > Index Management*. In the
+*Data Streams* tab, click the trash can icon to delete a stream and its backing
+indices.
+
+[role="screenshot"]
+image::images/data-streams/data-streams-list.png[Data Streams tab]
 
-The following delete data stream API request deletes the `logs` data stream. This
-request also deletes the stream's backing indices and any data they contain.
+You can also use the the <<indices-delete-data-stream,delete data stream API>>
+to delete a data stream. The following delete data stream API request deletes
+the `logs` data stream. This request also deletes the stream's backing indices
+and any data they contain.
 
 [source,console]
 ----

docs/reference/ilm/ilm-tutorial.asciidoc

@@ -55,9 +55,10 @@ reaches either a `max_size` of 50 gigabytes or a `max_age` of 30 days.
 * A `delete` phase that sets `min_age` to remove the index 90 days after rollover.
 Note that this value is relative to the rollover time, not the index creation time. 
 
-You can create the policy through {kib} Management or with the 
+You can create the policy through {kib} or with the 
 <<ilm-put-lifecycle, put policy>> API. 
-To create the policy from {kib}, go to Management and click **Index Lifecycle Policies**.
+To create the policy from {kib}, open the menu and go to *Stack Management >
+Index Lifecycle Policies*. Click *Index Lifecycle Policies*.
 
 [role="screenshot"]
 image:images/ilm/create-policy.png[]
@@ -109,9 +110,14 @@ To enable the {ilm-init} to manage the data stream, the template configures one
 
 * `index.lifecycle.name` specifies the name of the lifecycle policy to apply to the data stream.
 
-You can use the {kib} Create template wizard to add the template.
-This wizard invokes the put _index_template API to create the <<indices-templates,index template>>
-with the options you specify.
+You can use the {kib} Create template wizard to add the template. From Kibana,
+open the menu and go to *Stack Management > Index Management*. In the *Index
+Templates* tab, click *Create template*.
+
+image::images/data-streams/create-index-template.png[Create template page]
+
+This wizard invokes the <<indices-put-template,put index template API>> to create
+the index template with the options you specify.
 
 .API example
 [%collapsible]
@@ -303,9 +309,9 @@ that match the index pattern.
 * `index.lifecycle.rollover_alias` specifies the index alias to be rolled over
 when the rollover action is triggered for an index.
 
-You can use the {kib} Create template wizard to add the template. 
-To access the wizard, go to Management, click **Index Management**,
-and select the **Index Templates** view. 
+You can use the {kib} Create template wizard to add the template. To access the
+wizard, open the menu, go to *Stack Management > Index Management*, and click
+the *Index Templates* tab.
 
 [role="screenshot"]
 image:images/ilm/create-template-wizard.png[]