The term violone can refer to several distinct large, bowed musical instruments which belong to either the viol or violin family. The violone is sometimes a fretted instrument, and may have six, five, four, or even only three strings. The violone is also not always a contrabass instrument. In modern parlance, one usually tries to clarify the 'type' of violone by adding a qualifier based on the tuning or on geography, or by using other terms that have a more precise connotation. The term violone may be used correctly to describe many different instruments, yet distinguishing among these types can be difficult, especially for those not familiar with the historical instruments of the viol and violin families and their respective variations in tuning.