When searching an app or website, using semantically related keywords can help facilitate finding the desired item by providing context and depth to search queries. This approach allows search engines to better grasp user intent and suggest more accurate results. By incorporating semantically related words into search functionality, businesses can provide a more holistic understanding of content, leading to improved user experiences and increased conversions. Optimizing keywords with semantic considerations is crucial for ensuring that all content aligns with users' behavior, trends, and intent, ultimately providing better recommendations and personalized experiences.