If you look at a completed tessellation, you will see the original motif repeats in a pattern. One mathematical idea that can be emphasized through tessellations is symmetry. There are 17 possible ways that a pattern can be used to tile a flat surface or 'wallpaper'.
Related to liquidity: Liquidity ratio, Liquidity risk Liquidity In context of securities, a high level of trading activity, allowing buying and selling with minimum price disturbance.
The actual ratio has limited usefulness without comparing it with your trend and industry competitors. A lower trending quick ratio means your company's ability to cover its short-term debts is getting worse and action to improve liquidity is necessary.