Understand the anatomy of every Go source file – the package clause, import declarations, and how to organize code inside a file for clarity and correctness.

• The Package Clause
• Import Declarations
• File Organization Conventions

How Go source code is broken into tokens, how comments, identifiers, and keywords work, and the rules for automatic semicolon insertion.

• Comments
• Identifiers And Keywords
• Tokens And Automatic Semicolon Insertion
• Operators And Punctuation

A detailed guide to integer, floating-point, imaginary, rune, and string literals in Go, covering syntax, base prefixes, underscores, escape sequences, and common pitfalls.

• Integer Literals
• Floatingpoint Literals
• Imaginary Literals
• Rune Literals
• String Literals

How Go starts executable programs using the main package and main function, and a step-by-step guide to writing and running your first Hello World program

• The Main Package And Main Function
• A First Hello World Program