VIP stands for Very Important Person. They are a person who is conferred special due to his / her status. VVIP, short for Very Very Important Person, is accorded as very important person. It is same as VIP.

Castles were built for the primary motive of safety and protection. Forts were built for the primary motive of military purpose.

Castles were built for the primary motive of safety and protection. On the other hand, palaces were built for the primary motive of comfort, relaxation and leisurely lifestyle.

Advice acts as a noun which means an opinion recommended or offered. Advise acts as a verb which means to notify something.

Buy is to obtain something in exchange for money or goods. Purchase is the act or process of seeking and obtaining something.