Turn “diversification” into “not putting all your money in one place,” and “expense ratio” into “the yearly fee for managing this fund.” Use active voice, short sentences, and concrete examples. Test comprehension with beginners, then rewrite until nine out of ten explain it back confidently.
Microcopy should remove fear and specify outcomes: “You can edit this later,” “We never invest without your confirmation,” and “This verification protects withdrawals.” Tooltips, helper text, and empty states must match the voice, anticipate questions, and guide decisions without pressure or hidden urgency tricks.