Decide the audience
A cap message can speak to the graduate, their family, classmates, or the people who will see photographs. Pick one audience first. A phrase that makes sense only to close friends can still be right, but it should be intentional. Avoid copying a stranger’s catchphrase when one ordinary sentence from the graduate would be more meaningful.
Make a small word list
Write the school year, a name, one feeling, and one next step. Turn those into several short main lines. Read each aloud; if it takes a long breath, shorten it. The maker limits the main message to 48 characters and a secondary quote to 90. Those limits help keep lettering within the square but cannot guarantee legibility in every font or material.
Separate visual roles
Put the most important thought in the main message. Use the name and year as anchors, and keep the quote optional. If everything is equally large, there is no clear place for the eye to begin. A quote is most useful when it adds a different detail, such as a family saying or personal goal, rather than repeating the main sentence.
Check the final words
Ask the graduate to confirm spelling, punctuation, and year before making a physical decoration. Check names with the person who uses them; do not assume a formal name is preferred. Look at the design from a distance and in a photograph. If the quote becomes tiny or dense, remove it and let the main message have more room.
Try this next
For a final proofreading pass, hide the decoration and read only the text aloud. Then read it again while viewing the complete square. This separates a wording problem from a layout problem. Have the graduate approve the exact words before a print provider or helper produces material.
Have a correction or a suggestion? Tell the studio.