THE SALESPERSON ASSISTS, DIRECTS AND INFORMS THE CUSTOMER; TREAT AND DISPOSE OF THE GOODS AND GOODS ON THE SHELVES AND MAY HAVE DIFFERENT FUNCTIONS ACCORDING TO THE SIZE OF THE POINT OF SALE IN WHICH THEY OPERATE. IN SOME CASES, THE FUNCTIONS MAY BE SPECIALISED AS IN THE CASE OF THE FOOD SECTORS, IN OTHERS IT IS VERY STANDARDISED, EITHER IN DEPARTMENT STORES OR IN THE SELF-SERVICE SECTORS OF SUPERMARKETS. IN ANY CASE, THE PRINCIPAL FUNCTION REMAINS THAT OF THE SERVICE AND THE CUSTOMER CARE. SALES PERSONS IN THE LARGE RETAIL SECTOR CAN ASPIRE TO A CAREER IN THE ROLE OF CHILDBIRTH, WHEREAS IN THE SMALL DISTRIBUTION A CAREER ADVANCEMENT CAN BE PROVIDED FOR IN THE EVENT OF THE OPENING OF A CAREER IN HIS OWN RIGHT.