As it says in the subject line, do you recognize this zshrc.d naming scheme?
10-locals.zsh 30-history-oh-my-zsh.zsh 32-history.zsh 35-long-running.zsh 40-term.zsh 42-dircolors.zsh
I use something similar but isn't it just common sense so that we can iterate the files and load them in the correct order?