Indeed, the name is Retrieval Augmented Generation... so this is generation (synthesis of text) augmented by retrieval (of data from external systems). the goal

Indeed, the name is Retrieval Augmented Generation... so this is generation (synthesis of text) augmented by retrieval (of data from external systems). the goal is to augment the generation, not to improve retrieval. the improvements needed for the retrieval part are then another topic.