what is the context class in mvc

Question

I want to make a dynamic menu in my MVC website i am very new to MVC i do not know more about it . I am following this article for dynamic menu generation 

http://www.thecrazyprogrammer.com/2015/02/create-dynamic-menu-in-aspnet-mvc.html

 

here is the code of, what is ProjectEntities() what is should write there instead of ProjectEntities() .

 

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public static class MyMenu { /// <summary> /// Get List of All Menu Items from Database /// </summary> /// <returns>Returns List<Menus> object</returns> public static List<Menus> GetMenus() { using(var context = new ProjectEntities()) { return context.Menu.ToList(); } } }