It's simple express certain qualities a lady portrays or how they should be treated in comparison to an ordinary woman.
Lady - Has no problem being well-spoken and has the basics such as excuse me, sorry, thank you covered (trait)
Woman - Usually has difficulty being well spoken and has no problem being boisterous, in essence not timid (trait)
Lady - Taken out ocasionally to have fun or just for plain exposure (treatment)
Woman - It doesnt really matter if she stays in or doesn't go out as long as you are getting some sex you need to do do anything else for her (treatment)