The term 'Quick Learner' can be described by two crossword solutions: 'SPONGE' (6 letters) and 'NATURAL' (7 letters). A 'SPONGE' is someone who absorbs knowledge quickly, while a 'NATURAL' is someone who has an innate ability to learn quickly. This implies that a 'quick learner' is someone who is able to pick up new information quickly, either through their own NATURAL abilities or through absorbing knowledge from their environment.