Based on the data provided, the relative interest in caption writing has been fluctuating but shows an upward trend since 2020. Interestingly, related trends such as understanding, writer, and Instagram have also been rising simultaneously. The low competition index and CPC suggest that there is a smaller pool of content creators in this field, making it a viable niche for writers and marketers. The search terms reveal that people are looking for jobs, examples, and tools for improving their caption writing skills, indicating a need for education and training in this area. From a business perspective, the rising popularity and low competition index could present an opportunity for entrepreneurs to offer caption writing services or tools. Overall, the data suggests that caption writing is a growing and viable field with potential for growth and expansion.