To build a solid understanding of Aspect-Oriented Programming (AOP) in Spring, you need to be familiar with several core terms. Each plays a distinct role in how AOP operates within the Spring framework.

Aspect: An aspect is a modularization of a concern that cuts across multiple objects, such as logging, security, or transaction management. In Spring, an aspect is typically a regular Java class annotated with @Aspect. Aspects define what action should be taken and when, encapsulating cross-cutting logic outside of your main business code.

Join point: A join point is a specific point in the execution of your program where an aspect can be applied. In Spring AOP, join points are always method executions: you can insert additional behavior before, after, or around the execution of a method in a Spring-managed bean.

Pointcut: A pointcut defines a set of join points where advice should be applied. In Spring, pointcuts are usually specified using expressions that match method signatures or annotations. The pointcut acts as a filter, selecting which join points are of interest to an aspect.

Advice: Advice is the action taken by an aspect at a particular join point. It is the code that runs when the pointcut matches. Spring supports several types of advice, such as @Before, @After, and @Around, each controlling when the advice runs relative to the join point.

Weaving: Weaving is the process of linking aspects with other application types or objects to create an advised object. In Spring, weaving is done at runtime using proxies, meaning the aspects are woven into the beans as the application context is created.

Understanding how these terms fit together is crucial for designing and reasoning about AOP solutions in Spring. Each term builds on the previous, forming a chain from the definition of cross-cutting behavior to its execution within your application.