Insertion is a term used in many different contexts. In computing, it refers to the process of adding new data into an existing database or file. In genetics, it is the process of introducing a gene from one organism into another. In sewing, it is the process of adding fabric or trim to a garment. In music, it is the process of adding a new part to an existing piece. In literature, it is the process of adding words or phrases to a text. INSET is a five-letter word that is related to insertion and is often used as a synonym.