The term 'Fine Adjustment' can be summarized as a process of making small changes to something in order to improve it. The crossword solution for this term is 'TWEAK', which means to make a small adjustment or change. Tweaking is often used to fine-tune a product or system, such as adjusting the settings on a computer or adjusting the sound levels on a stereo. It is also used to make minor improvements to a design or plan.