Artists are generally considered individuals that are involved in the creation of arts. Sometimes the term is considered more towards the visual arts such as painters.
Specific names are given to artists that refer to their specialist areas or mediums. For example dramatic artists are often referred to as actors and/or actresses. Musical artists are referred to as musicians, composers or singer and/or songwriters.
The term performance artist is a special case often used to describe an individual that uses their body as an integral part of visual work of art or presentation.
The term performing artists may include musicians and dramatic artists. The important thing is that an artist can be performing actively or creating a static work of art.