The term 'Lunch Course' can be broken down into two crossword solutions: 'SOUP' (4 letters) and 'SALAD' (5 letters). SOUP is a liquid dish made from a variety of ingredients, such as vegetables, meat, or fish, that are cooked in a broth. Salads are typically composed of a combination of raw or cooked vegetables, fruits, grains, and proteins. Both SOUP and SALAD are popular dishes served as part of a lunch course.