Why do i have so many volumes?

https://preview.redd.it/eguuynirqzld1.png?width=1920&format=png&auto=webp&s=17ab49aa09b5bdcac92b99f25a6449dde9960950

So i downloaded Monterey on my mid 2011 imac and for some reason i have sooo many volumes now and i have like 2 versions of the disk i boot off of? what is going on can someone please help me