Its right to call a domain a list of criteria. The point to note here is that each criterion is a triple (either a list or a tuple) of (field_name, operator, value) where:
It can be defined as a field name of the current model. It could also be called a relationship traversal through a Many2one using dot-notation. For instance, 'street' or'partner_id.country'.
for example you can use given below code-: