Be for

be for (to aim, to serve as, to follow sbs ideas, to be a purpose, to have a right, to mean, to shorten) - słuzyć do czego, mieć cel, oznaczać.

1. What a sophisticated control panel. What is this red button for? [What is the purpose of this red button]
2. What is this knife for? [What is the purpose of this knife]
3. I'm all for giving people more money. [I support very much giving people...]
4. John is for Republicans, contrarily his brother Richard is rather for Democrats. [John is an adherent/follower of Republicans, contrarily Richard .... Democrats]
5. Red is for danger, green is for safety. [Red means a danger, green means safety].
6. Green is for go. [Green means you can go]
7. It is unusual for Rodney to run so quickly. [it is rare for Rodney]
8. If this house wasn't for you, I should have sold it. [This house is for you, and this prevents me to sell it]
9. It will be for Emily to decide what action she should take. [It will be Emily's right to decide...]
10. It's not for me to tell you what to do. [It is not my right to tell..]
11. You'll be in for it if she finds out what you've done! [You'll be punished if...]
12. What's the German for 'boot'? [How boot is in German]
13. T is for Theresa. [T is short for Theresa]
14. B is for bestseller. [B stands for bestseller.] /Mark Haddon/

according to Sue Graphton:

1. "A" Is for Alibi (1982)
2. "B" Is for Burglar (1985)
3. "C" Is for Corpse (1986)
4. "D" Is for Deadbeat (1987)
5. "E" Is for Evidence (1988)
6. "F" Is for Fugitive (1989)
7. "G" Is for Gumshoe (1990)
8. "H" Is for Homicide (1991)
9. "I" Is for Innocent (1992)
10. "J" Is for Judgment (1993)
11. "K" Is for Killer (1994)
12. "L" Is for Lawless (1995)
13. "M" Is for Malice (1996)
14. "N" Is for Noose (1998)