When a teenager says, "it's cool," his friends understand that he's not talking about the temperature. in this case, the meaning of the word, "cool," is based on its meaning. semantic psychological cognitive affective seminal?

I believe the answer is: psychological meaning

Psychological meaning refers to the meaning that perceived through the speaker's mind, emotion, or intention.  Psychological meaning of a certain statement would be different depending on the context of the statement or the body language that the speaker display when saying it.

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 declaration states, “we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness….”