1. Close to means near.
Your house is close to the metro station.
They are sitting close to each other.
2. Close to indicates a very friendly or intimate relationship.
She is very close to her older sister.
3. Close to (adverb) can mean almost.
I wrote close to fifty invitations this morning.
It is said that she moved Indias first Prime Minister Jawaharlal Nehru to tears when she sang the song Aye Mere Watan Ke Logon, Zara Aankh Me Bhar Lo Pani. This was in 1962 when India lost the war to China and Pandit Ji apparently said to her that she had moved him to tears. She apparently has a permanent gallery reserved for her at the Lords Stadium from where she enjoys watching her favourite game Cricket. She became the first Indian in 1974 to have performed in the Royal Albert Hall, London. It is said that Lata didi believes that her voice suits actress Saira Banus the best!