More terminology: define 'selector' as it is used in the rest of the draft; define 'complex selector' and 'selector list' for where we need to be more specific

Author: fantasai

selectors4/Overview.html

@@ -155,7 +155,7 @@ <h2 class="no-num no-toc" id=contents>Table of contents</h2>
    <li><a href="#logical-combination"><span class=secno>4. </span> Logical
     Combinations</a>
     <ul class=toc>
-     <li><a href="#grouping"><span class=secno>4.1. </span> Selector Groups
+     <li><a href="#grouping"><span class=secno>4.1. </span> Selector Lists
       </a>
 
      <li><a href="#matches"><span class=secno>4.2. </span> The Matches-Any
@@ -801,8 +801,13 @@ <h2 id=syntax><span class=secno>3. </span> Selector Syntax</h2>
 
   <h3 id=structure><span class=secno>3.1. </span> Structure and Terminology</h3>
 
-  <p>A <dfn id=selector>selector</dfn> is a chain of one or more <a
-   href="#compound">compound selectors</a> separated by <a
+  <p>The term <dfn id=selector>selector</dfn> can refer to a <i>simple
+   selector</i>, <i>compound selector</i>, <a
+   href="#complex-selector"><i>complex selector</i></a>, or <a
+   href="#selector-list"><i>selector list</i></a>.
+
+  <p>A <dfn id=complex-selector>complex selector</dfn> is a chain of one or
+   more <a href="#compound">compound selectors</a> separated by <a
    href="#combinators">combinators</a>.
 
   <p>A <dfn id=compound-selector><a name=compound>compound selector</a></dfn>
@@ -924,13 +929,14 @@ <h3 id=invalid><span class=secno>3.5. </span> Invalid Selectors and Error
   <h2 id=logical-combination><span class=secno>4. </span> Logical
    Combinations</h2>
 
-  <h3 id=grouping><span class=secno>4.1. </span> Selector Groups</h3>
+  <h3 id=grouping><span class=secno>4.1. </span> Selector Lists</h3>
 
   <p>A comma-separated list of selectors represents the union of all elements
-   selected by each of the individual selectors in the list. (A comma is
-   U+002C.) For example, in CSS when several selectors share the same
-   declarations, they may be grouped into a comma-separated list. White space
-   may appear before and/or after the comma.
+   selected by each of the individual selectors in the <dfn
+   id=selector-list>selector list</dfn>. (A comma is U+002C.) For example, in
+   CSS when several selectors share the same declarations, they may be
+   grouped into a comma-separated list. White space may appear before and/or
+   after the comma.
 
   <div class=example>
    <p>CSS example:</p>

selectors4/Overview.src.html

@@ -419,7 +419,10 @@ <h2 id=syntax>
 <h3 id=structure>
 Structure and Terminology</h2>
 
-  <p>A <dfn>selector</dfn> is a chain of one
+  <p>The term <dfn>selector</dfn> can refer to a <i>simple selector</i>,
+    <i>compound selector</i>, <i>complex selector</i>, or <i>selector list</i>.
+
+  <p>A <dfn>complex selector</dfn> is a chain of one
   or more <a href="#compound">compound selectors</a>
   separated by <a href="#combinators">combinators</a>.</p>
 
@@ -535,10 +538,11 @@ <h2 id=logical-combination>
 Logical Combinations</h2>
 
 <h3 id=grouping>
-Selector Groups</h2>
+Selector Lists</h2>
 
   <p>A comma-separated list of selectors represents the union of all
-  elements selected by each of the individual selectors in the list.
+  elements selected by each of the individual selectors in the
+  <dfn>selector list</dfn>.
   (A comma is U+002C.) For example, in CSS when several selectors share
   the same declarations, they may be grouped into a comma-separated
   list. White space may appear before and/or after the comma.</p>