diff --git a/source b/source
index 246e97db5f3..6d431c0c2cb 100644
--- a/source
+++ b/source
@@ -76904,25 +76904,16 @@ dictionary <dfn>DragEventInit</dfn> : <span>MouseEventInit</span> {
    <li><p>Let <var>browsingContext</var> be a new <span>browsing context</span>.</p></li>
 
    <li>
-    <p>Call the JavaScript <span
-    data-x="js-InitializeHostDefinedRealm">InitializeHostDefinedRealm()</span> abstract operation
-    with the following customizations:</p>
+    <p><span>Create a new JavaScript realm</span> with the following customizations:</p>
 
     <ul>
-     <li><p>For the global object, create a new <code>Window</code> object
-     <var>window</var>.</p></li>
+     <li><p>For the global object, create a new <code>Window</code> object.</p></li>
 
-     <li><p>For the global <b>this</b> value, use <var>browsingContext</var>'s
+     <li><p>For the global <b>this</b> binding, use <var>browsingContext</var>'s
      <code>WindowProxy</code> object.</li>
     </ul>
-   </li>
 
-   <li>
-    <p>Let <var>realm execution context</var> be the <span>running JavaScript execution
-    context</span>.</p>
-
-    <p class="note">This is the <span>JavaScript execution context</span> created in the previous
-    step.</p>
+    <p>Let <var>realm execution context</var> be the result.</p>
    </li>
 
    <li><p><span>Set up a window environment settings object</span> with <var>realm execution
@@ -82279,24 +82270,16 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
 
       <ol>
        <li>
-        <p>Call the JavaScript <span
-        data-x="js-InitializeHostDefinedRealm">InitializeHostDefinedRealm()</span> abstract operation
-        with the following customizations:</p>
+        <p><span>Create a new JavaScript realm</span> with the following customizations:</p>
 
         <ul>
          <li><p>For the global object, create a new <code>Window</code> object.</p></li>
 
-         <li><p>For the global <b>this</b> value, use <var>browsingContext</var>'s
+         <li><p>For the global <b>this</b> binding, use <var>browsingContext</var>'s
          <code>WindowProxy</code> object.</p></li>
         </ul>
-       </li>
-
-       <li>
-        <p>Let <var>realm execution context</var> be the <span>running JavaScript execution
-        context</span>.</p>
 
-        <p class="note">This is the <span>JavaScript execution context</span> created in the previous
-        step.</p>
+        <p>Let <var>realm execution context</var> be the result.</p>
        </li>
 
        <li><p><span>Set up a window environment settings object</span> with <var>realm execution
@@ -87476,7 +87459,7 @@ interface <dfn>ApplicationCache</dfn> : <span>EventTarget</span> {
   field of a <span>JavaScript realm</span>.</p>
 
   <p class="note">In this specification, all <span data-x="JavaScript realm">JavaScript
-  realms</span> are <span data-x="js-InitializeHostDefinedRealm">initialized</span> with <span
+  realms</span> are <span data-x="create a new JavaScript realm">created</span> with <span
   data-x="global object">global objects</span> that are either <code>Window</code> or
   <code>WorkerGlobalScope</code> objects.</p>
 
@@ -87494,7 +87477,7 @@ interface <dfn>ApplicationCache</dfn> : <span>EventTarget</span> {
    Realm's global object</dfn>.</p></li>
 
    <li><p>Each <span>global object</span> in this specification is created during the <span
-   data-x="js-InitializeHostDefinedRealm">initialization</span> of a corresponding <span>JavaScript
+   data-x="create a new JavaScript realm">creation</span> of a corresponding <span>JavaScript
    realm</span>, known as <dfn data-x="concept-global-object-realm" data-export="" data-lt="Realm"
    data-dfn-for="global object">the global object's Realm</dfn>.</p></li>
 
@@ -87513,6 +87496,28 @@ interface <dfn>ApplicationCache</dfn> : <span>EventTarget</span> {
    settings object">the environment settings object's global object</dfn>.</p></li>
   </ul>
 
+  <p>To <dfn>create a new JavaScript realm</dfn>, optionally with instructions to create a global
+  object or a global <b>this</b> binding (or both), the following steps are taken:</p>
+
+  <ol>
+   <li><p>Perform <span data-x="js-InitializeHostDefinedRealm">InitializeHostDefinedRealm</span>()
+   with the provided customizations for creating the global object and the global <b>this</b>
+   binding.</p></li>
+
+   <li>
+    <p>Let <var>realm execution context</var> be the <span>running JavaScript execution
+    context</span>.</p>
+
+    <p class="note">This is the <span>JavaScript execution context</span> created in the previous
+    step.</p>
+   </li>
+
+   <li><p>Remove <var>realm execution context</var> from the <span>JavaScript execution context
+   stack</span>.</p></li>
+
+   <li>Return <var>realm execution context</var>.</li>
+  </ol>
+
   <hr>
 
   <p>When defining algorithm steps throughout this specification, it is often important to indicate
@@ -90628,30 +90633,22 @@ document.body.appendChild(frame)</pre>
    <var>document</var>, without firing any mutation events.</p></li>
 
    <li>
-    <p>Call the JavaScript <span
-    data-x="js-InitializeHostDefinedRealm">InitializeHostDefinedRealm()</span> abstract operation
-    with the following customizations:</p>
+    <p><span>Create a new JavaScript realm</span> with the following customizations:</p>
 
     <ul>
      <li><p>For the global object, create a new <code>Window</code> object
      <var>window</var>.</p></li>
 
-     <li><p>For the global <b>this</b> value, use <var>document</var>'s <span>browsing
+     <li><p>For the global <b>this</b> binding, use <var>document</var>'s <span>browsing
      context</span>'s associated <code>WindowProxy</code>.</p></li>
     </ul>
 
+    <p>Let <var>realm execution context</var> be the result.</p>
+
     <p class="&#x0058;&#x0058;&#x0058;">This is not universally implemented and can perhaps be
     removed; see <a href="https://github.com/whatwg/html/issues/1698">issue #1698</a>.</p>
    </li>
 
-   <li>
-    <p>Let <var>realm execution context</var> be the <span>running JavaScript execution
-    context</span>.</p>
-
-    <p class="note">This is the <span>JavaScript execution context</span> created in the previous
-    step.</p>
-   </li>
-
    <li><p><span>Set up a window environment settings object</span> with <var>realm execution
    context</var>.</p></li>
 
@@ -97162,23 +97159,15 @@ interface <dfn>SharedWorkerGlobalScope</dfn> : <span>WorkerGlobalScope</span> {
    nested worker), then set <var>parent worker global scope</var> to <var>owner</var>.</p></li>
 
    <li>
-    <p>Call the JavaScript <span
-    data-x="js-InitializeHostDefinedRealm">InitializeHostDefinedRealm()</span> abstract
-    operation with the following customizations:</p>
+    <p><span>Create a new JavaScript realm</span> with the following customization:</p>
 
     <ul>
      <li><p>For the global object, if <var>is shared</var> is true, create a new
      <code>SharedWorkerGlobalScope</code> object. Otherwise, create a new
      <code>DedicatedWorkerGlobalScope</code> object.</p></li>
     </ul>
-   </li>
 
-   <li>
-    <p>Let <var>realm execution context</var> be the <span>running JavaScript execution
-    context</span>.</p>
-
-    <p class="note">This is the <span>JavaScript execution context</span> created in the previous
-    step.</p>
+    <p>Let <var>realm execution context</var> be the result.</p>
    </li>
 
    <li>
@@ -97186,8 +97175,7 @@ interface <dfn>SharedWorkerGlobalScope</dfn> : <span>WorkerGlobalScope</span> {
     object</span> of <var>realm execution context</var>'s Realm component.
 
     <p class="note">This is the <code>DedicatedWorkerGlobalScope</code> or
-    <code>SharedWorkerGlobalScope</code> object created when calling <span
-    data-x="js-InitializeHostDefinedRealm">InitializeHostDefinedRealm</span>.</p>
+    <code>SharedWorkerGlobalScope</code> object created in the previous step.</p>
    </li>
 
    <li><p><span>Set up a worker environment settings object</span> with <var>realm execution