In real life you have a lot of information about your audience. You can guess whether jargon and equations will help or hinder communication. You are probably n

In real life you have a lot of information about your audience. You can guess whether jargon and equations will help or hinder communication. You are probably not reduced to guessing, you can go and ask your audience. They may come to you. This is probably not the first time you have written for them, you probably have valuable knowledge from last time. Today's audience is not your only audience. Although you have valuable knowledge it may be in a bit of a jumble, with considerations that apply differently to different audiences clearly labelled as to whether they worked but not so clearly labelled as to the particular audience that delivered its verdict. This deficiency is likely because high school essay writing has no audience, which trains you to ignore the most important question about writing: who is this for?