It is best not to use understand, because knows is more intimate, and understand focuses on knowing and understanding the truth.
Explanation:
Know English [? nd? st? Nd] beauty [? nd? r? st? nd]
Understand, understand;
Understand; Understand; Default; Heard that;
[Example] I think you heard me and understood me.
I think you heard what I said. You know what I mean.
Know English [n? ] beauty [no? ]
Know; Understand; Know; Be persuaded;
Inform;
I don't know the name of this place.
I don't know the name of that place.
Best Britain [best] America [b? st]
The best (the highest level of good and well); The most pleasant; The happiest; Most suitable;
Best of all; The most brilliant; With the highest standards;
Outstanding; The highest level (individual); The most important superiority; The best thing, the most desired thing;
[Example] We only provide the best service for our customers.
We only provide the best service for our customers.