The painter Rembrandt made self-portraits throughout his life, from the beginning of his career as an artist to the end of his life. These works of art are an example of:

giovanni battista pergolesi, italian baroque composer who wrote one of the most famous settings of the stabat mater. don lorenzo perosi, catholic priest and director of the sistine choir under five popes.

the correct answer is the first option. the principle of design that suggests a structural relationship between different elements within a work of art is unity.  unity is the principle of the quality of cohesiveness that is expressed with compositional similarity, oneness and cohesion.