An operator is an operation that is performed within an operational FLEX tag.
Example:
{% if attr_featured_product == 'Yes' %}
<!-- or--> 
{% if attr_featured_product != 4 %}
The following operators are available:
| <= | Less Than or Equal To | 
| >= | Greater Than or Equal To | 
| == | Equal To | 
| != | Not Equal To | 
| = | Define Variable | 
| > | Greater Than | 
| < | Less Than |