For anyone starting in the world of programming with Julia, it's essential to master a set of core concepts that serve as the foundation of the language. We begin with:

• Conditional Structures, which allow your code to make decisions.
• Loop Structures, crucial for automating repetitive tasks,
• Processing data lists or executing a block of code multiple times,
• Functions are central to Julia's design for modularity and performance,
• Arrays (including vectors and matrices) and
• Dictionaries, are fundamental for organizing data collections efficiently.

While not strictly "Object-Oriented Programming" in the classical sense, Julia achieves many of the benefits through multiple dispatch and composite types. The ability to manage and use Packages (Julia's equivalent of modules/libraries) is a key differentiator, as it allows you to leverage a vast ecosystem of high-performance functionalities developed by others.