I read in a magazine found it interesting. This is not to hurt anyone's feeling.So kindly read in easy going and express your views.
You saw a gorgeous girl in a party and walh straight to her and propose him - That is DIRECT MARKETING.
If you ask your friend to make her convince for you - That's ADVERTISING
You saw a gorgeous girl and propose her and she introduces you to her husband. That's DEMAND AND SUPPLY GAP.
You see a gorgeous girl and open door for her and pick her bag after she drops it. Then offer aride and on way propose her. That's PUBLIC RELATION.
You saw a gorgeous girl and propose her and in turn she gave a toght slap. It's CUSTOMER FEEDBACK.
You saw a gorgeous girl and walk up to her and before you say a word she tourns her face towards you---------She is your wife ! That's COMPETITION EATING YOUR MARKET SHARE.