Under which menu option of a word processing program does a star appear

Under the menu option Insert.

Explanation:

Microsoft word allows you to insert different shapes in the document. To find these shapes, you have to open the menu option Insert. Then, you will have to go to Shapes. After that, you have to click there and a box will appear where you will have different shapes that you can use. There you will find the shape of a star that you can include in the document and adjust different features like size and color.