Western secularism is a political and philosophical concept that emphasizes the separation of religion and state. It emerged in Europe during the Enlightenment and was later adopted by many Western countries, including the United States. 

The Western model of secularism emphasizes the importance of individual freedom of conscience and expression. It calls for the state to remain neutral towards religion and to refrain from endorsing any particular religious belief or practice. This means that the state should not use religion as a basis for making laws or policies, and that it should not favor any particular religious group or institution over others. 

The Western model of secularism has had a significant impact on the development of Western democracies. It has helped to create societies that are more tolerant, diverse, and open to new ideas. It has also allowed for the flourishing of science, technology, and art, as these fields are not subject to religious dogma or censorship. 

One of the key features of Western secularism is the separation of church and state. This principle is enshrined in the U.S. Constitution, which has an establishment clause and a free exercise clause. The establishment clause prohibits the government from establishing a state religion, while the free exercise clause guarantees the right of individuals to practice their religion freely. 

Another important aspect of Western secularism is the protection of individual rights and freedoms. This includes the right to freedom of speech, the right to freedom of religion, and the right to equal treatment under the law. These rights are seen as essential to creating a society that is fair, just, and free.