Nirvana

This kanji means Nirvana.
We say Nehan.
Nirvana is the supreme state free from suffering and individual existence.
It is a state Buddhists refer to as "Enlightenment". It is the ultimate goal of all Buddhists.

Mandara

This kanji means mandara. Mandara is a Hindu and Buddhist religious objects.
1st character means situation of drag on and on or go long.
2nd character means tea.
3rd character means net. And other means paperly thin.

Zen

This kanji means Zen. The special transmission of Zen is the realization of the Buddha's enlightenment itself, in one's own life, in one's own time. This experience has been realized by Zen students and confirmed by their teachers for over 2500 years.