Food can be served either buffet style or as a sit-down meal. It should be chosen according to the time of day and style of the wedding. A sit down meal features several served courses. In this style the guests sit down and food is brought to the tables.
This is the most expensive service. To keep costs down, go for a simpler menu. The buffet style can also feature several courses, the only difference is that the guests assemble their own plates and get the food from the food stations.
The other kind of reception style is the least expensive and less formal stylish cocktail reception where waiters pass drinks or food offered at various food stations. This type is very rare and not suitable for wedding formalities.