Address comments from review

Author: marciw

manage-data/data-store/data-streams/query-downsampled-data.md

@@ -25,4 +25,12 @@ Date histograms are based on UTC values. Some time zone situations require offse
 
 When offsetting is applied, responses include the field `downsampled_results_offset: true`.
 
-For more details, refer to [Date histogram aggregation: Time zone](elasticsearch://reference/aggregations/search-aggregations-bucket-datehistogram-aggregation.md#datehistogram-aggregation-time-zone).
+For more details, refer to [Date histogram aggregation: Time zone](elasticsearch://reference/aggregations/search-aggregations-bucket-datehistogram-aggregation.md#datehistogram-aggregation-time-zone).
+
+## {{esql}} `TS` command
+```{applies_to}
+stack: preview
+serverless: preview
+```
+
+You can use the {{esql}} [`TS` command](elasticsearch://reference/query-languages/esql/commands/ts.md) (in technical preview) to query time series data streams. The `TS` command is optimized for time series data. It also enables the use of aggregation functions that efficiently process metrics per time series, before aggregating results.

manage-data/data-store/data-streams/time-series-data-stream-tsds.md

@@ -69,10 +69,6 @@ You can also simplify dimension definitions by using [pass-through](elasticsearc
 
 Metrics are numeric measurements that change over time. Documents in a TSDS typically contain one or more metric fields. 
 
-:::{tip}
-Metrics are expected to change (even if rarely or slowly), while dimensions generally remain constant.
-:::
-
 To mark a field as a metric, use the `time_series_metric` mapping parameter. This parameter ensures data is stored in an optimal way for time series analysis. The following field types support the `time_series_metric` parameter:
 
 * All [numeric field types](elasticsearch://reference/elasticsearch/mapping-reference/number.md)
@@ -88,7 +84,7 @@ The valid values for `time_series_metric` are `counter` and `gauge`:
 
 #### `_tsid` metadata field [tsid]
 
-The `_tsid` is an automatically generated object containing the document’s dimensions. It's intended for internal {{es}} use, so in most cases you won't need to work with it. The format of the `_tsid` field is subject to change. 
+The `_tsid` is an automatically generated object derived from the document’s dimensions. It's intended for internal {{es}} use, so in most cases you won't need to work with it. The format of the `_tsid` field is subject to change. 
 
 ### Differences from a regular data stream [differences-from-regular-data-stream]