HSN Code 2104 refers to "Soups and broths and preparations therefor; food preparations consisting of finely homogenised mixtures of two or more basic ingredients such as meat, fish, vegetables or fruit, put up for retail sale as infant food or for dietetic purposes, in containers of <= 250 g." This classification code is essential for identifying food preparations for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 2104 include canned soups, broths, infant food jars, and dietetic food preparations. Additionally, the GST rate for soups and food preparations under this code supports accurate trade compliance.