What is volume in SEMrush?

Search volume is the average number of times a specific search query is entered on a search engine per month. The volume in the main SEMrush database represents the number of searches using national level data. … This is the sum of the keyword’s monthly search volumes across all of our regional databases.

For More Information Please Refer: https://www.semrush.com/kb/683-what-is-search-volume-in-semrush