all logged-in/added accounts (also from apps) are collected in one place on the Samsung device. here we can control the synchronization of the data, but we can also remove the respective account. for example, if the account is removed from facebook, we are only logged out of the app. the account remains on facebook.

Android 10 (One UI 2.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Accounts and backup
Step 3:  Tap on  Accounts
Step 4:  Tap on desired  Account
Step 5:  Tap on  Remove account
Step 6:  Confirm with  Remove account
  1. Open the Settings
  2. Tap on Accounts and backup
  3. Tap on Accounts
  4. Tap on desired Account
  5. Tap on Remove account
  6. Confirm with Remove account

Samsung Instructions