Yes, Sure,

A backlink gap is the difference in backlinks between your website and your competitors' websites. It shows the backlinks they have that you lack. Closing this gap can help improve your search engine rankings.

Let's understand with the help of an Example:

Suppose you run a travel blog. You find out that your competitor has backlinks from popular travel sites like Lonely Planet and TripAdvisor, but you don't. These sites link to your competitors, giving them an SEO advantage because they are authoritative sources. The backlink gap here is those high-quality links from Lonely Planet and TripAdvisor that they have, but you're missing them.

You might contact these sites to close this gap, offering valuable content or collaboration to gain similar backlinks. By doing this, you increase your website's authority and raise the probability that it will appear higher in search results.