Naturally, before a lawyer can begin any assignment for a new client, she must be hired and given direction by that client. However, British and American attorneys use different vocabulary to describe this process. In the U.K., the hiring of a solicitor or barrister is referred to as instructions, as in, The in-house counsel instructed the company’s solicitors to commence legal proceedings in the matter. U.S. lawyers, on the other hand, are retained or placed on retainer by clients. Under the retainer agreement model, the lawyer receives advance payment against performance of future legal services. As the time spent on the client’s matter increases beyond the amount of the original retainer further payments for services can be expected. The computer giant has retained outside counsel known for his appellate skills.