The term 'made an impression' can be defined as leaving a lasting mark or effect on someone or something. This can be done in various ways, such as aping, etching, denting, copying, and sinking in. Aping is the act of imitating or mimicking someone or something, while etching is the process of carving or engraving a design into a hard surface. Denting is the act of making a depression or indentation in a surface, while copying is the act of reproducing or duplicating something. Sinking in is the act of making a lasting impression on someone's mind, and registering is the act of recording or documenting something.