_tag">tags</a> to whatever they tag,
<a href="#def_commit_object">commits</a> to their parents or trees, and
<a href="#def_tree_object">trees</a> to the trees or <a href="#def_blob_object">blobs</a>
that they contain.</p>
</dd>
<dt class="hdlist1"><a id="def_rebase"></a>rebase</dt>
<dd>
<p>To reapply a series of changes from a <a href="#def_branch">branch</a> to a
different base, and reset the <a href="#def_head">head</a> of that branch
to the result.</p>
</dd>
<dt class="hdlist1"><a id="def_ref"></a>ref</d