The fastest way to understand what AI is good for is to see the everyday jobs people hand to it. None of these need any technical skill. They are the reasons most people open a chat assistant in the first place.
Turning a rough thought into clear text is one of the strongest uses. Paste a blunt message and ask for a more polite version. Describe an email you need and get a first draft. Take something you wrote and ask for it shorter, or clearer, or in a different tone. You still decide what to send; the model just gets you past the blank page.
When there is too much to read, a model can shorten it. A long article, a wall of chat messages, a dense report - ask for the key points and get a few lines back. It is one of the highest-value uses because it saves the scarcest thing, time.
A model is a patient tutor for almost any topic. Ask it to explain something you do not understand, and then to explain it more simply, and then to give an example. Because you can keep asking follow-ups without judgment, it is a genuinely good way to learn.
Move text between languages, or make formal writing casual, or technical writing plain. It handles the small everyday translations that used to mean a detour to another tool.
When you are stuck, a model is a tireless partner for ideas: names for a project, angles for a plan, ways to approach a problem. The first ideas are rarely the final answer, but they break the logjam.
Next: the same kinds of help, aimed at the work an engineer actually does.