The term 'ADVANCE SAMPLE' can be broken down into two words, 'ADVANCE' and 'SAMPLE'. ADVANCE is defined as a movement forward or a progression, while SAMPLE is defined as a small portion of something that is used to represent the whole. Together, the term 'ADVANCE SAMPLE' can be interpreted as a small portion of something that is used to represent the whole of a future event or development. This could refer to a preview of a product or service that is yet to be released, or a glimpse of what is to come in the near future.