Cases of word usage

1) an arrangement or understanding (spoken or written) made by two or more people, governments etc (agreement)

2) (of two kinds of things) first one and then the other (alternate)

3) of two or more things that may be used, chosen etc in place of the other or others (alternative)

4) having two opposing ideas, opinions (ambivalent)

5) a space between two lines or surfaces that mean (angle)

6) to settle a dispute (between two opposite sides, opinions etc) by acting as the chosen judge(s) (arbitrate)

7) a person appointed by two opposite sides to settle a dispute (arbitrator)

8) either of the two upper limbs of the human body, from the shoulder to the hand (arm)

9) a piece of cloth with a written announcement, usually fixed to two poles, e.g. carried in political demonstrations (banner)

10) a public announcement in church that two people are to be married (banns)