title: OpenERP ver 7 - explaination for Security.xml
body: <pre><code>&lt;?xml version="1.0" ?&gt;
  &lt;openerp&gt;
      &lt;data&gt;
          &lt;record model="ir.module.category" id="module_lunch_category"&gt;
              &lt;field name="name"&gt;Lunch&lt;/field&gt;
              &lt;field name="description"&gt;Helps you handle your lunch needs, if you are a manager you will be able to create new products, cashmoves and to confirm or cancel orders.&lt;/field&gt;
              &lt;field name="sequence"&gt;16&lt;/field&gt;
          &lt;/record&gt;
          &lt;record id="group_lunch_user" model="res.groups"&gt;
              &lt;field name="name"&gt;User&lt;/field&gt;
              &lt;field name="category_id" ref="module_lunch_category"/&gt;
          &lt;/record&gt;
          &lt;record id="group_lunch_manager" model="res.groups"&gt;
              &lt;field name="name"&gt;Manager&lt;/field&gt;
              &lt;field name="implied_ids" eval="[(4, ref('group_lunch_user'))]"/&gt;
              &lt;field name="category_id" ref="module_lunch_category"/&gt;
              &lt;field name="users" eval="[(4, ref('base.user_root'))]"/&gt;
          &lt;/record&gt;
      &lt;/data&gt;
  &lt;/openerp&gt;
  </code></pre>
  
  <p>I'm now stuck with security handling to my application.its code shows <a href="https://github.com/priyankahdp/openerp" rel="nofollow">here</a></p>
  
  <p>I refer documentation also for clarify the above xml code. but i'm not get good explanation for version 7 in documentation.i need to clarify below sections. please advice me to get clear idea about it</p>
  
  <p><strong>Please explain</strong></p>
  
  <p>ir.module.category means.?</p>
  
  <pre><code>&lt;record model="ir.module.category" id="module_lunch_category"&gt;
  </code></pre>
  
  <p>model="res.groups" means.?</p>
  
  <pre><code>&lt;record id="group_lunch_user" model="res.groups"&gt;
  </code></pre>
  
  <p>need to clarify whole below line</p>
  
  <pre><code>&lt;field name="implied_ids" eval="[(4, ref('group_lunch_user'))]"/&gt;
  </code></pre>