Flash in html

1

this is the code for embedding flash file in html…

can anyone please explain me tis code in brief…
i mean…i wanna know what are "classid, param,embed,etc " used for???

<object classid=“clsid:D27CDB6E-AE6D-11cf-96B8-444553540000” codebase=“http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0” width=“280” height=“98”>
<param name=“movie” value=“abt_juxt.swf”>

          &lt;param name="quality" value="high"&gt;
          &lt;embed src="abt_juxt.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="279" height="97"&gt;&lt;/embed&gt;
          &lt;/object&gt;

Thanks