Reindexing in Magento 2 is the most common way of refreshing the information in your store's record to guarantee that it is exact and cutting-edge. In the event that you make changes to your store's information, for example, adding new items or refreshing existing ones, you should reindex to mirror those adjustments of your store's list items and inventory pages.
There are 2 different ways to reindex in Magento 2 from the administrator board and other by order line. In this article, we will give a definite aid on the best way to reindex in Magento 2 from command line.
For more info, visit https://webguru.dev/how-to-reindex-in-magento-2-from-command-line/