layouts: Use "element" instead of "field"

ISEAL refers to these as elements instead of fields.

site/layouts/_default/home.html

@@ -27,7 +27,7 @@
         <p class="lead">This page provides a reference specification for the ISEAL Core Metadata Set.</p>
         <p>In this documentation we list metadata requirements, provide controlled vocabularies, and share technical information about the schema.</p>
         <h2 id="metadata">Metadata</h2>
-        <p>ISEAL Core Metadata Set currently uses fields from the following standard metadata schemas:</p>
+        <p>ISEAL Core Metadata Set currently uses elements from the following standard metadata schemas:</p>
         <ul>
           <li><a href="https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#section-3">Dublin Core Elements</a> with the <code>dc</code> namespace prefix. These were <a href="http://www.dlib.org/dlib/July95/07weibel.html">originally designated in 1995</a> and are considered deprecated and superseded by Dublin Core Terms. Due to legacy code in the DSpace software we must still use some of these.</li>
           <li><a href="https://www.dublincore.org/specifications/dublin-core/dcmi-terms/#section-2">Dublin Core Terms</a> with the <code>dcterms</code> namespace prefix. These contain the original Dublin Core Terms and add others. As of 2008 these supercede the original Dublin Core Elements.</li>
@@ -35,7 +35,7 @@
         <p>General guidelines for metadata using the ISEAL Core Metadata Set:</p>
         <ul>
           <li><strong>Encoding</strong>: metadata should be encoded in UTF-8 to ensure correct representation of international characters.</li>
-          <li><strong>Applicability</strong>: metadata should describe what the item is, <em>not what it isn't</em>. If a metadata field is not applicable you should not use it. Do not enter "N/A"!</li>
+          <li><strong>Applicability</strong>: metadata should describe what the item is, <em>not what it isn't</em>. If a metadata element is not applicable you should not use it. Do not enter "N/A"!</li>
         </ul>
         <h3 id="required-metadata">Required Metadata</h3>
 
@@ -46,7 +46,7 @@
         {{ end }}
 
         <h3 id="optional-metadata">Optional Metadata</h3>
-        <p>These fields are optional, but we strongly suggest that you include as many as you can.</p>
+        <p>These elements are optional, but we strongly suggest that you include as many as you can.</p>
 
         {{ range where (where site.RegularPages "Type" "terms") "Params.required" "==" false }}
         <div class="col">

site/layouts/_default/term.html

@@ -31,7 +31,7 @@
             {{ end }}
             {{ with .Params.field }}
             <tr>
-              <td class="col-2 field-name">Suggested field</td>
+              <td class="col-2 field-name">Suggested element</td>
               <td>{{ . }}</td>
             </tr>
             {{ end }}