Charges from one appl cupertino , what is this charge for ?

View your Purchase History which should provide a little more detail on the charge.

View your purchase history for the App Store and other Apple media services - Apple Support

Are you the Organizer of a Family plan using Purchase Sharing? If so, that allows family members to make purchases that will be billed to you.

Does anyone else know your Apple ID/Passcode?

We cannot know. We are not Apple but rather your fellow end users with no more access to Apple databases than you. You can however check it yourself.

Start with the link MacJim ID has linked. If Apple does NOT show a record of the charges in your history, it is very possible that scammers have gained access to your credit card or bank number and are pretending to be Apple. It happened to us, and Apple was not involved.

If that is the case, only your CARD ISSUER or BANK can remedy it.

If Apple’s purchase history shows the purchase, continue with the instructions in that article. 

⚠️ Important note for reviewing your Apple purchase history: If you are using Family Sharing, make sure you set the "Apple ID" box to the "All" option to get a complete history of purchases Apple shows as made from your account: 

Here are some financial news articles describing this decade-old scam:

https://toughnickel.com/scams-fraud/Apple-iTunes-866-712-7753-Scam

https://www.foxbusiness.com/personal-finance/credit-card-statements-scam-charge

https://www.chron.com/business/moneytips/article/Check-Your-Statements-For-This-Long-Running-Scam-13888458.php