Difference between [SerializeField] and public member

Questions & Answers
1

I can’t able to understand difference between public variable or Serialize variable.

[SerializeField] Text connectionText;

or

 public Text connectionText;

Though actual result of both line is same. You are seeing variable on Unity Inspector.
What is actual difference?

2

The difference is that in the first example, connectionText is still a private variable, that is not able to be accessed from other scripts.

3

This allows you to follow best practices for object design (not exposing internal object state to other objects so they can’t muck with it), while at the same time allowing a designer to initialize that internal state at design time.