Doc: Use "change number" instead of "numeric-id"

Change number is an numeric ID but it is more commonly recognized as
"change number".

Change-Id: I0fa4e1dee42ef8d4bf2c8b9f2e8d0ecd19cca539
Release-Notes: skip
diff --git a/Documentation/intro-user.txt b/Documentation/intro-user.txt
index 3f23385..1f0dfd0 100644
--- a/Documentation/intro-user.txt
+++ b/Documentation/intro-user.txt
@@ -874,8 +874,8 @@
 
 - [[show-change-number]]`Show Change Number In Changes Table`:
 +
-Whether in change lists and dashboards an `ID` column with the numeric
-change IDs should be shown.
+Whether in change lists and dashboards an `ID` column with the change numbers
+should be shown.
 
 - [[mute-common-path-prefixes]]`Mute Common Path Prefixes In File List`:
 +
diff --git a/Documentation/rest-api-changes.txt b/Documentation/rest-api-changes.txt
index 3974428..1a999f1 100644
--- a/Documentation/rest-api-changes.txt
+++ b/Documentation/rest-api-changes.txt
@@ -6260,7 +6260,7 @@
 [[change-id]]
 === \{change-id\}
 Identifier that uniquely identifies one change. It contains the URL-encoded
-project name as well as the change number: "'$$<project>~<numericId>$$'"
+project name as well as the change number: "'$$<project>~<changeNumber>$$'"
 
 ==== Alternative identifiers
 Gerrit also supports an array of other change identifiers.
@@ -6268,14 +6268,14 @@
 [NOTE]
 Using these identifiers comes with a performance penalty as they
 require additional lookups to be translated to the
-"'$$<project>~<numericId>$$'" identifier.
+"'$$<project>~<changeNumber>$$'" identifier.
 
 * an ID of the change in the format "'$$<project>~<branch>~<Change-Id>$$'",
   where for the branch the `refs/heads/` prefix can be omitted
   ("$$myProject~master~I8473b95934b5732ac55d26311a706c9c2bde9940$$")
 * a Change-Id if it uniquely identifies one change
   ("I8473b95934b5732ac55d26311a706c9c2bde9940")
-* a numeric change ID if it uniquely identifies one change ("4247")
+* a change number if it uniquely identifies one change ("4247")
 
 [[change-message-id]]
 === \{change-message-id\}
@@ -6579,8 +6579,8 @@
 Number of unresolved inline comment threads across all patch sets. Not set if
 the current change index doesn't have the data.
 |`_number`            ||
-The numeric ID of the change. (The underscore is just a relict of a prior
-attempt to deprecate the numeric ID.)
+The change number. (The underscore is just a relict of a prior
+attempt to deprecate the change number.)
 |`owner`              ||
 The owner of the change as an link:rest-api-accounts.html#account-info[
 AccountInfo] entity.
@@ -6666,15 +6666,15 @@
 |`has_review_started` |optional, not set if `false`|
 When present, change has been marked Ready at some point in time.
 |`revert_of`          |optional|
-The numeric Change-Id of the change that this change reverts.
+The change number of the change that this change reverts.
 |`submission_id`      |optional|
 ID of the submission of this change. Only set if the status is `MERGED`.
-This ID is equal to the numeric ID of the change that triggered the submission.
-If the change that triggered the submission also has a topic, it will be
-"<id>-<topic>" of the change that triggered the submission.
+This ID is equal to the change number of the change that triggered the
+submission. If the change that triggered the submission also has a topic,
+it will be "<id>-<topic>" of the change that triggered the submission.
 The callers must not rely on the format of the submission ID.
 |`cherry_pick_of_change`   |optional|
-The numeric Change-Id of the change that this change was cherry-picked from.
+The change number of the change that this change was cherry-picked from.
 Only set if the cherry-pick has been done through the Gerrit REST API (and
 not if a cherry-picked commit was pushed).
 |`cherry_pick_of_patch_set`|optional|
diff --git a/Documentation/rest-api-config.txt b/Documentation/rest-api-config.txt
index bd93b8b..4056816 100644
--- a/Documentation/rest-api-config.txt
+++ b/Documentation/rest-api-config.txt
@@ -1869,7 +1869,7 @@
 
 [[index-changes-input]]
 === IndexChangesInput
-The `IndexChangesInput` contains a list of numerical changes IDs to index.
+The `IndexChangesInput` contains a list of change numbers of changes to index.
 
 [options="header",cols="1,^2,4"]
 |================================
diff --git a/Documentation/user-notify.txt b/Documentation/user-notify.txt
index 128bae6..0e658c7 100644
--- a/Documentation/user-notify.txt
+++ b/Documentation/user-notify.txt
@@ -190,7 +190,7 @@
 
 [[Gerrit-Change-Number]]Gerrit-Change-Number::
 
-The change number footer states the numeric ID of the change, for
+The change number footer states the change number of the change, for
 example `92191`.
 
 [[Gerrit-PatchSet]]Gerrit-PatchSet::
diff --git a/Documentation/user-search.txt b/Documentation/user-search.txt
index f07a504..ccc83eb 100644
--- a/Documentation/user-search.txt
+++ b/Documentation/user-search.txt
@@ -28,13 +28,13 @@
 [options="header"]
 |=============================================================
 |Description                      | Examples
-|Legacy numerical id              | 15183
+|Change Id                        | 15183
 |Full or abbreviated Change-Id    | Ic0ff33
 |Full or abbreviated commit SHA-1 | d81b32ef
 |Email address                    | user@example.com
 |=============================================================
 
-For change searches (i.e. those using a numerical id, Change-Id, or commit
+For change searches (i.e. those using a change number, Change-Id, or commit
 SHA-1), if the search results in a single change that change will be
 presented instead of a list.
 
@@ -107,15 +107,13 @@
 [[change]]
 change:'ID'::
 +
-Either a legacy numerical 'ID' such as 15183, or a newer style
-Change-Id that was scraped out of the commit message.
+Either a change number such as 15183, or a Change-Id from the Change-Id footer.
 
 [[conflicts]]
 conflicts:'ID'::
 +
 Changes that conflict with change 'ID'. Change 'ID' can be specified
-as a legacy numerical 'ID' such as 15183, or a newer style Change-Id
-that was scraped out of the commit message.
+as a change number such as 15183, or a Change-Id from the Change-Id footer.
 
 [[destination]]
 destination:'[name=]NAME[,user=USER]'::
@@ -173,7 +171,7 @@
 [[revertof]]
 revertof:'ID'::
 +
-Changes that revert the change specified by the numeric 'ID'.
+Changes that revert the change specified by the change number.
 
 [[submissionid]]
 submissionid:'ID'::
@@ -206,8 +204,8 @@
 [[parentof]]
 parentof:'ID'::
 Changes which are parent to the change specified by 'ID'. Change 'ID' can be
-specified as a legacy numerical 'ID' such as 15183, or a Change-Id that can be
-picked from the commit message. This operator will return immediate parents
+specified as a change number such as 15183, or a Change-Id from the 'Change-Id'
+footer of the commit message. This operator will return immediate parents
 and will not return grand parents or higher level ancestors of the given change.
 
 [[parentproject]]