"Letka" is a Mazandarani word that refers to a small, green garden in the corner of the yard. People in Mazandaran's rural areas place a high value on the greenery and prosperity of their surroundings, in addition to their private yards and, depending on their preferences, they create small and large gardens, and by planting flowers and plants, they give their house's entry walls and gates a spectacular view. The owners of the company in the late 1990s were inspired by the name of these small and common gardens in Mazandaran to name margarine products produced by Kesht va Sanat Shomal Co. [Shomal Agroindustry Co.] in those years (1999) after these gardens.