These are recent card transactions that haven’t been fully processed by the company you paid yet. They are useful as you get to see in real-time when you have made a card payment, so you have a clearer picture of how much money you have available.
Be aware that sometimes a company might add a card authorisation to put a hold on an amount of money until you’ve paid your final bill, this might be a £1 amount or a higher amount than what you finally owe. These amounts should not debit your account and will usually disappear immediately but can occasionally take a few days