nd all instances have the same order in memory.</li>
</ul>
<p>The more types of storage are owned, the faster it is to iterate a group.</p>
<p><b>Important</b> </p>
<p>Iterators aren't invalidated if:</p>
<ul>
<li>New elements are added to the storage.</li>
<li>The entity currently pointed is modified (for example, components are added or removed from it).</li>
<li>The entity currently pointed is destroyed.</li>
</ul>
<p>In all other cases, modifying the pools iterated by the group in any way invalidates al