can refer to –

1. the order that one party pays a sum contributing to the fees incurred by the other (the court might make an order “husband to pay the wife’s costs”)
2. the fees incurred with the solicitor (the solicitor might say “my costs are £x”)

3.           more confusingly still, they might be referring to the overall sum that the client is due to pay or the smaller part of the bill that their firm is due to receive – ie the total of the