Questions

 Copyright law safeguards the expression of thoughts and facts, not simply the thoughts and actualities. Thoughts are fair diversion for everybody to express in their own words.

Works that are protected by copyright are ::

Literary works,

Musical works, including any accompanying words

Dramatic works, including any accompanying music

Pantomimes and choreographic works

Pictorial, graphic, and sculptural works

Motion pictures and other audiovisual works

Sound recordings

Architectural works.

Heat from the sun travels in the form of rays and are called as heat rays. This heat is called as radiation.

Proxima Centauri is the nearest star to the Earth.

The blood protein Albumin regulates the amount of water in plasma.

There is no difference except for the fact that the first one gives a hint that the function fun() is probably in another source file.