On the home screen, apps and widgets can be placed on pages, and in addition to automatically creating pages on the home screen, they can also be added manually.

Android 10 (One UI 2.0)
Step 1:  Tap and hold a free  area  on home screen
Step 2:  Wipe to the last  page
Step 3:  Tap on  Add
  1. Tap and hold a free area on home screen
  2. Wipe to the last page
  3. Tap on Add

Samsung Instructions
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