The purpose of creating a Light Yellow Lawn Mowing Flyer is to advertise lawn mowing services to potential customers in the community. The flyer provides details on the services offered, including lawn mowing, weed whacking, and trimming, as well as contact information for scheduling appointments. The light yellow background and bold black text make the flyer eye-catching and easy to read. Overall, the flyer aims to attract new customers and increase business for the lawn mowing service.