The Four Noble Truths are the foundation of Buddhism and explain the nature of suffering, its cause, its cessation, and the path to its cessation.

The Four Noble Truths are: 1. Life is suffering. 2. The cause of suffering is attachment. 3. Suffering can be ended. 4. The path to ending suffering is the Eightfold Path.

The Eightfold Path is a set of eight practices that lead to the end of suffering. They are: 1. Right View 2. Right Intention 3. Right Speech 4. Right Action 5. Right Livelihood 6. Right Effort 7. Right Mindfulness 8. Right Concentration.

Nirvana is the end of suffering, the state of perfect happiness, and the ultimate goal of Buddhism.

Karma is the law of cause and effect, the belief that our actions have consequences, and the idea that we are reborn into different lives based on our actions in this life.

Siddhartha Gautama, also known as Buddha and Shakyamuni, was the founder of Buddhism.

Buddhism was founded in India in the 6th century BCE.

Mahayana is the largest branch of Buddhism, with over 50% of the world's Buddhists.

Theravada is the second largest branch of Buddhism, with over 30% of the world's Buddhists.

Vajrayana is the third largest branch of Buddhism, with over 10% of the world's Buddhists.

Zen is the fourth largest branch of Buddhism, with over 5% of the world's Buddhists.

The Tripitaka is the sacred text of Buddhism, and it contains the teachings of the Buddha.

The Tripitaka is written in Pali, which is a language closely related to Sanskrit.

The Dharmachakra is the main symbol of Buddhism, and it represents the teachings of the Buddha.

Meditation is the main practice of Buddhism, and it is used to develop mindfulness and concentration.