create category names for subsets of keywords, so that we can create lower or higher bids on particular groups of keywords based on the category the user asigns.
Have you already tried doing this with labels? With labels, you can categorize your keywords today. Additionally, you can use labels to make filtering easier. This way, you can easily apply bids to all keywords that belong to the same label. Learn more about labels here: https://advertise.bingads.microsoft.com/en-us/blog/post/august-2017/you-can-now-augment-performance-data-with-labels