What is a flat bread made of oatmeal or barley flour called?

A flatbread made of oatmeal or barley flour is commonly referred to as "oatcake" or "barley flatbread." Oatcakes are traditional in Scottish cuisine, while barley flatbreads can be found in various cultures. Both types are typically simple to prepare and can be enjoyed in various ways, often served with toppings or used as a side dish.