PROD-I-117 Project Category custom field

Hi team, Is there a reason why the Project Category custom field is a 'Checkbox' in Organization Settings but doesn't allow the user to create options for users to select from? I know that it's a checkbox so it can be reported on, but I would love to understand the reasoning behind why clients cannot edit the field and add selectable options. My client, Vision Service Plan, wants to be able to have their users choose from a list instead of having a free text field. https://mail.google.com/mail/u/0?ui=2&ik=a8d6b2d950&attid=0.1&permmsgid=msg-f:1715445942131433583&th=17ce7cfedc21206f&view=fimg&fur=ip&sz=s0-l75-ft&attbid=ANGjdJ9BhN31UfEkP0qENZNNexoSJPXhrVN_7bXp4yoRBNCvVGZC4Chk54W5o_HXe1qGY5BVR_zjMEENOHZBOlUeFolKU8leC1EFlGLFMVVI8amOKpXvz2entSqk9RM&disp=emb&realattid=ii_kvk26b080