"ولما" is an Arabic conjunction that translates to "and when" in English. It is used to connect two clauses, indicating that one action occurs at the same time as another. This conjunction is often found in literary and formal texts, helping to create a smooth flow of ideas. In Arabic grammar, "ولما" can introduce a conditional or temporal clause. It is commonly used in storytelling and poetry to enhance the narrative by linking events. Understanding its usage is essential for grasping the nuances of Arabic sentence structure and improving language comprehension.