Maintains database by entering new and updated customer and account information. Prepares source data for computer entry by compiling and sorting information. Establishes entry priorities. Processes customer and account source documents by reviewing data for deficiencies.The primary purpose of descriptive writing is to describe a person, place or thing in such a way that a picture is formed in the reader's mind. Capturing an event through descriptive writing involves paying close attention to the details by using all of your five senses.