Apple ID;Apple Store iOS App & iCloud associative Apple ID[s]

Concerning a prior closed discussion;proposing that it’s necessary in order to sign in to the Apple Store iOS App to use the same Apple ID used for iCloud access;per se;proposed potential solution:[re]sign in to iCloud using the Apple ID;’designate:[AID1X]’ that is desired to use to sign in to Apple Store iOS App[AID1X];next sign in to Apple Store iOS App using Apple ID desired to use to Apple Store iOS App[AID1X];& priorly used to sign in to iCloud access[AID1X].