Answer:
the connotation of the word peripheral has more than one so here it is,
1 : of, relating to, involving, or forming a periphery or surface part. 2a : of, relating to, affecting, or being part of the peripheral nervous system peripheral nerves peripheral neuritis. b : of, relating to, or being blood in the systemic circulation peripheral lymphocytes.
However the denotation of this word is,
formal : not relating to the main or most important part. computers : connected to a computer but not an essential part of it. : of or relating to the area that is to the side of the area you are looking