The term 'is in demand' can be summarized by the job description of a 'sells' which is a five letter word. A sells is someone who is responsible for the promotion and sale of goods or services. They are typically employed by companies to increase their customer base and generate revenue. They must have excellent communication and interpersonal skills, as well as knowledge of the product or service they are selling. They must also be able to identify potential customers and develop relationships with them.