“Instrument” has several meanings. Firstly, it can refer to a tool or device used for a particular purpose, especially in scientific, medical, or technical fields. For example, a microscope is a scientific instrument used to observe tiny objects.
Secondly, it means a musical device that produces sounds, such as a guitar, piano, or violin. Musicians play different instruments to create beautiful music.
Thirdly, in a more abstract sense, it can mean a means or agency by which something is achieved. For instance, language is an instrument of communication.