[css-round-display] Add additional description of polar-origin property

Author: Jihye Hong

css-round-display/Overview.bs

@@ -345,9 +345,8 @@ Figure 6B might be the result of
 <h3 id="polar-origin-property">The 'polar-origin' property</h3>
 <p>
 The 'polar-origin' property sets a point of origin for polar coordinate system.
-<br>
-In conventional coordinate system, the origin of coordinate system implicitly set to upper left corner of the containing block. According to the origin, not only elements are positioned within the containing block but also prope
-기존 방식은 origin이 암시적으로(implicitly) containing block의 left-top으로 셋팅이 되어있고, 해당 origin을 기준으로 엘리먼트가 배치되고 display, margin, padding 등의 property들도 이러한 배경하에 동작을 했다. 하지만 polar좌표계에서는 이러한 origin이 기존의 left-top이 아닌 center로 명시되는 것이 합리적이며, 이 값은 필요에 따라 변경 가능한 상황이 발생할 수 있다.
+<br><br>
+Not only elements are positioned within the containing block according to the origin but also properties such as display, margin, and padding are affected by the origin. In conventional coordinate system, the origin of coordinate system implicitly set to upper left corner of the containing block. But in polar coordinates, it is general to specify the point of origin as the center point of the containing block. Also, there would be a situation that the other point in the containing block area need to be the origin.
 </p>
 <pre class='propdef'>
     Name: polar-origin

css-round-display/Overview.html

@@ -55,7 +55,7 @@
   <div class="head">
    <p data-fill-with="logo"><a class="logo" href="http://www.w3.org/"> <img alt="W3C" height="48" src="https://www.w3.org/Icons/w3c_home" width="72"> </a> </p>
    <h1 class="p-name no-ref" id="title">CSS Round Display Level 1</h1>
-   <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Editor’s Draft, <time class="dt-updated" datetime="2015-11-09">9 November 2015</time></span></h2>
+   <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Editor’s Draft, <time class="dt-updated" datetime="2015-11-10">10 November 2015</time></span></h2>
    <div data-fill-with="spec-metadata">
     <dl>
      <dt>This version:
@@ -503,8 +503,7 @@ <h3 class="heading settled" data-level="6.1" id="position-property"><span class=
      </div>
     </div>
     <h3 class="heading settled" data-level="6.2" id="polar-origin-property"><span class="secno">6.2. </span><span class="content">The <a class="property" data-link-type="propdesc" href="#propdef-polar-origin">polar-origin</a> property</span><a class="self-link" href="#polar-origin-property"></a></h3>
-    <p> The <a class="property" data-link-type="propdesc" href="#propdef-polar-origin">polar-origin</a> property sets a point of origin for polar coordinate system. <br> In conventional coordinate system, the origin of coordinate system implicitly set to upper left corner of the containing block. According to the origin, not only elements are positioned within the containing block but also prope
-기존 방식은 origin이 암시적으로(implicitly) containing block의 left-top으로 셋팅이 되어있고, 해당 origin을 기준으로 엘리먼트가 배치되고 display, margin, padding 등의 property들도 이러한 배경하에 동작을 했다. 하지만 polar좌표계에서는 이러한 origin이 기존의 left-top이 아닌 center로 명시되는 것이 합리적이며, 이 값은 필요에 따라 변경 가능한 상황이 발생할 수 있다. </p>
+    <p> The <a class="property" data-link-type="propdesc" href="#propdef-polar-origin">polar-origin</a> property sets a point of origin for polar coordinate system. <br><br> Not only elements are positioned within the containing block according to the origin but also properties such as display, margin, and padding are affected by the origin. In conventional coordinate system, the origin of coordinate system implicitly set to upper left corner of the containing block. But in polar coordinates, it is general to specify the point of origin as the center point of the containing block. Also, there would be a situation that the other point in the containing block area need to be the origin. </p>
     <table class="definition propdef" data-link-for-hint="polar-origin">
      <tbody>
       <tr>