What are some words that are hard to understand in weightlifting?

In Weightlifting, terms like "periodization," "hypertrophy," and "eccentric" can be difficult to understand. "Periodization" refers to the systematic planning of athletic training to optimize performance, while "hypertrophy" denotes muscle growth through resistance training. "Eccentric" describes the phase of a lift where the muscle lengthens under tension, which can be crucial for building strength. Understanding these terms is essential for effective training and progress tracking.