~/brew/share/zsh/site-functions

zsh completions and functions have been installed to:
 ~/brew/share/zsh/site-functions

total 0
drwxr-xr-x  15 user  staff  480 Mar  8 06:10 .
drwxr-xr-x   3 user  staff   96 Jan  9 22:02 ..
lrwxr-xr-x   1 user  staff   59 Feb 15 14:23 _aws -> ../../../Cellar/awscli/2.9.23/share/zsh/site-functions/_aws
lrwxr-xr-x   1 user  staff   30 Jan  9 22:02 _brew -> ../../../completions/zsh/_brew
lrwxr-xr-x   1 user  staff   79 Jan 12 19:46 _brew_services -> ../../../Library/Taps/homebrew/homebrew-services/completions/zsh/_brew_services
lrwxr-xr-x   1 user  staff   59 Mar  8 06:10 _cargo -> ../../../Cellar/rust/1.67.1/share/zsh/site-functions/_cargo
lrwxr-xr-x   1 user  staff   69 Jan 10 12:08 _docker -> /Applications/Docker.app/Contents/Resources/etc/docker.zsh-completion
lrwxr-xr-x   1 user  staff   77 Jan 10 12:08 _docker_compose -> /Applications/Docker.app/Contents/Resources/etc/docker-compose.zsh-completion
lrwxr-xr-x   1 user  staff   54 Feb 15 14:15 _gh -> ../../../Cellar/gh/2.23.0/share/zsh/site-functions/_gh
lrwxr-xr-x   1 user  staff   56 Feb  2 10:06 _hub -> ../../../Cellar/hub/2.14.2/share/zsh/site-functions/_hub
lrwxr-xr-x   1 user  staff   59 Jan 11 16:12 _meson -> ../../../Cellar/meson/1.0.0/share/zsh/site-functions/_meson
lrwxr-xr-x   1 user  staff   60 Jan 11 16:12 _ninja -> ../../../Cellar/ninja/1.11.1/share/zsh/site-functions/_ninja
lrwxr-xr-x   1 user  staff   62 Feb 19 17:03 _rclone -> ../../../Cellar/rclone/1.61.1/share/zsh/site-functions/_rclone
lrwxr-xr-x   1 user  staff   87 Jan 16 09:13 _the_silver_searcher -> ../../../Cellar/the_silver_searcher/2.2.0/share/zsh/site-functions/_the_silver_searcher
lrwxr-xr-x   1 user  staff   75 Feb 15 14:23 aws_zsh_completer.sh -> ../../../Cellar/awscli/2.9.23/share/zsh/site-functions/aws_zsh_completer.sh

brew install awscli

zsh, ~/.zshrc, .zsh_history, .zprofile, zshbuiltins, setenv, setopt, bindkey -e, zshcompsys, compdef, autoload, oh-my-zsh, prezto, fc, compinit, autoload, oh-my-zsh