What is Source Code?

What is Source Code?
They are codes that people can read and work on before any software is translated into machine language, processed and interpreted. Source codes may be written in different software languages. There are many software languages ​​that are widely used today.

For example, a source code written in C# might look like this.

private void Form1_Load(object sender, EventArgs e)
{
MessageBox.Show("Hello World");
}