Cases of word usage

1) the first or original example from which others have been or will be copied or developed (prototype)

2) the quality of being real; something seen or experienced; (in art etc) a lifelike copy of the original (reality)

3) the quality of quickly recovering the original shape or condition after being pulled, pressed, crushed etc (resilience)

4) to return (to a former state, condition, topic etc); (of property rights etc) to return at some named time or under certain conditions (to the original owner) (revert)

5) the starting point (of a river); a place or person from which something comes or is got; original documents etc for an academic study (source)

6) the printed words in a book; the original words of an author, apart from anything else in a book (text)