I'm not sure what you mean by "theme" but I know it was kind of like you can find peace within yourself by giving up all your selfish desires. I hope this helps!
The main one is the belief in re-incarnation.
Hinduism is a religion that based on the concept of God. But Buddhism is not based on this concept. According to them, gods are a kind of powerful aliens but not deathless. Buddhism was a philosophy based on the concept of cause and effect. Later, some followers of Buddhism converted it to a religion.
No. It is Hindu.
Buddhism and Shinto
Buddhism
The concept does not apply in Buddhism.
Baptism is not part of Buddhism. This is a result of Buddhism not having a deity, the concept of anyone or thing being able to "purify" anyone else except that person themselves. Even the concept of "purification" is shakes Buddhism has no concept of sin, original sin, damnation, salvation etc.
Buddhism concept is to tame our wild minds and make free from any suffering.- Yeshi
The Nichiren Shu are considered a part of traditional Buddhism. There is no concept of post-Buddhism religions as there is a concept of post-Islamic religions.
India
Buddhists do not worship any person or deity, including The Buddha. Therefore the concept of a Savior that needs to be an intermediary between a person and god in order to purify or redeem that person is not a concept present in Buddhism. Therefore there is no Savior and none is needed for Buddhism.
No, the word "Maya" does not mean water. It is a term that has various meanings depending on the context, such as referring to an indigenous group in Mexico and Central America, or a philosophical concept in Hinduism and Buddhism.