Evangelism is the act of preaching, announcing, or otherwise communicating the gospel, which is the good news of Jesus Christ and our salvation. The term "evangelism" comes from the Greek word "euangelion," which means "gospel". Christians who specialize in evangelism are often referred to as evangelists. Here are some key points to understand about evangelism:

• Purpose: The purpose of evangelism is to share the message and teachings of Jesus Christ with others, so that they may come to know Him and receive salvation.

• Methods: Evangelism can take many forms, including preaching, distributing bibles, tracts, newspapers, and magazines, using the media, and engaging in street evangelism. However, it is important to remember that evangelism is not just about transferring data, but also about listening to people, hearing their objections, and modeling gentleness.

• Message: The message of evangelism is the gospel, which is the good news of Jesus Christ. This message is empowered by God to create saving faith in people, leading them to believe in His gospel, turn from sin, and follow Jesus.

• Attitude: A culture of evangelism is strengthened by right practices and right attitudes. Christians should be intentional about sharing their faith with others, and should never assume that the gospel is already known by those they are speaking with.

Overall, evangelism is an important aspect of Christianity, as it allows believers to share the good news of Jesus Christ with others and fulfill Christs call to be His witnesses.