Traced & Numbers

Frontiers by Malcolm Anderson
Chapter 5: Frontiers and Migration

Traced [treys]
-noun

•To have followed something back to the source
•To link to the past, the passage of the past
•To locate tracks left by a person, animal, or object
•Evidence of former existence
•To draw (a line) over another, to copy

Numbers [nuhm-berz]
-noun

It's all about numbers. Numbers of people, numbers of years, numbers on bills. Time is recorded through the very symbol of the number.

•the sum, total, count or aggregate of a collection of units
•a word or symbol
•to count or perform an action repetitively
•to set a limit, to have reached an amount
•a considerable amount or quantity
•the basis of science lies in numbers

By the numbers: policy, or in great unison

Also interesting is:
numbers pool
-noun
1. Also called numbers, numbers game, numbers racket. an illegal daily lottery in which money is wagered on the appearance of certain numbers in some statistical listing or tabulation published in a daily newspaper, racing form, etc.