Yes it is a comfort height toilet.
Toto excels in manufacturing powerful yet quiet flushes. The Toto Aquia is a great choice and comes in 1-piece, 2-piece, or wall-hung options to fit you wants and needs.
The trip lever is the lever on the side of the toilet that you push to flush the toilet. This model has a push butoon on the top to flush it so it doesn't have a trip lever.
Yes, the CST412MF is comfort height.
The 412MF is a higher seat version of the toilet.