Blog Posts Listing Simply denotes your recent posts that are published recently.

Post page

Dashboard>Appereance>Customizer>ThemeOptions>Post Page

Post page refers to the related post pages that are included at the bottom part of a page.

Step 1: First Click on any Pages or Any of Recent posts

Step 2: After clicking the recent post view at the bottom. There is a related post which is known as Related Post or Post pages

Step 3: Click on Theme Options

Step 4: Click on Post Page

Step 5: Now select numbers any numbers between 3 & 10 as your need to show post pages.