Backlinks are links that are redirected to your website from other websites on the internet as a reference source to the content on their website.
Most visited Pages refers to the top pages on your site that gets most visits in a given time period.
Content Pipeline refers to the time it takes between publishing new content on your website.
Search Engine Results Pages are Google’s response to a user’s search query. SERPs tend to include organic search results, paid Google Ads results, Featured snippets etc.