You’re at a party and you see a hot girl. You approach her and say “I’m good in bed”. That’s Direct Marketing.
You’re at a party with a group of mates and you see a hot girl. One of your mates approaches her and says “That guy over there is really good in bed”. That’s Advertising.
You’re at a party and you see a hot girl. You ask for her phone number. The following day you call her and tell her “I’m good in bed”. That’s Telemarketing.
You’re at a party and you see a hot girl. You recognize her, you approach her and refresh her memory by telling her “Do you remember how good I am in bed?” That’s Customer Relationship Management.
You’re at a party and you see a hot girl. You get up, fix your tie, pour her a drink, open the door for her, pick up her bag when it falls and tell her “I’m good in bed”. That’s PR.
You’re at a party and you see a hot girl. She approaches you and says “I hear you’re great in bed”. That’s BRANDING.