What does "five volts" mean?

It should be Five Blessingg. (five clothes)

Yifu is a brother and sister, father (including uncles and aunts), grandfather (including uncles and aunts), great-grandfather, great-grandfather. Great-grandfather's other Five Blessingg is called Five Blessingg, and brothers and sisters in Five Blessingg should worship an ancestor.

Five clothes originally refers to the mourning of relatives, usually the last five generations and the next five generations (including themselves), which is a sign of the distance between them. When you say five clothes, you don't wear mourning clothes. In fact, you will point out five generations, that is, only five generations. People of your generation, if not the same great-grandfather, are also considered five clothes. Father, grandfather, great grandfather, great grandfather.