Can someone please explain what does these questions mean?

Question

Design a wine glass that uses at least 5 different equations to form the outline of the shape. At least half of your equations must be curves. It is easier if the design is done with the glass on its side, that is, with the axis of the design running along
the x-axis

Produce an accurate graph of your design. A sketch of the final product would be appropriate

Submit a list of the equations you have used in the design. Include any domain
restrictions.

Be sure to include all working and justification in the development of your design