What is the c++11 meaning of the term auto

Question

1.pointer to 0
2.no exception thrown
3.move semantics
4.disable automatic conversion
5.infet type

Answer 1

What is the c++11 meaning of the term expliciy

1.pointer to 0
2.no exception thrown
3.move semantics
4.disable automatic conversion
5.infet type

Answer 2

infer type..
u can google it