Abundance" means the same thing as.
"the common good" means “that which is best for.
here, the word "productive" means

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

the use of electrical signals that transit messages is know as

answer; the above statement is (false);