variable declaration

variable declaration

--------html file for drag&drop---------

<

div id="dropbox">

  <span class="box">Drop images here to upload. </span>

  </div>

------------------html end--------------------------

------------jquery file---------

01      var



 template = '<div class="preview">'+
02     '<span class="imageHolder">'+
03     '<img />'+
04     '<span class="uploaded"></span>'+
05     '</span>'+
06     '<div class="imgHolder">'+
07     '<div class="img"></div>'+
08     '</div>'+
09     '</div>';

var
 preview = $(template),

 image = $('img', preview);

can some one please explain last two lines. what these variables are pointing to?