File coding is the process of storing text characters in computer programs. This is important because different kinds of text and characters need different encoding methods.

Make this sentence into 1st grader.

Putting text in computer programs is like storing letters in special boxes. We have to use different ways to store different types of letters.

File coding is like putting letters and words in a secret code inside computer programs. It's important because different types of words and letters need special ways of coding them.