Bitte um kleinen Gefallen: OXID Variablen / Platzhalter

Hallo zusammen,

wer kann mir geschwind die nachfolgenden Variablen nennen?

<script language="JavaScript">
 	 var pg_pangora_merchant_id='xxx';
var pg_order_id=[B]'$order_id[/B]';
var pg_cart_size='[B]$cart_size[/B]';
var pg_cart_value='[B]$cart_value[/B]';
var pg_currency='EUR';
var pg_customer_flag='[B]$customer_flag[/B]';
var pg_product_id='[B]$product_id[/B]';
var pg_product_name='[B]$product_name[/B]';
var pg_product_price='[B]$product_price[/B]';
var pg_product_units='[B]$product_units[/B]';
</script>
<script language="JavaScript" src="https://clicks.pangora.com/sales-tracking/salesTracker.js">
</script>
<noscript>
<img src="https://clicks.pangora.com/sales-tracking/54967/salesPixel.do"/>
</noscript>