Are usually described as being interactional, contextual, episodic, and improvisational.

make flash cards, or have a 'study date' with your friends or something! always works for me! : d

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.

answer; utilitarian;

answer; broad features of society;