What is a group of test activities aimed at testing a component or system for a specific objective?

The concept referred to as a group of test activities aimed at testing a component or system for a specific objective is best described by the term "test type." In software testing, test types categorize the various possible testing activities based on the objectives they fulfill and the perspectives they address. Examples of different test types include functional testing, performance testing, security testing, and usability testing. Each type encompasses specific methodologies and techniques tailored to achieve certain outcomes, such as verifying functionality or evaluating performance under stress.

In the context of software testing, identifying the test type guides the testing process by aligning it with specific goals and the areas of focus that are most relevant to the customer or project requirements. New team members or stakeholders can readily understand the testing scope and its rationale when test activities are organized based on recognized test types.

The other terms such as "test session" refers to a defined period in which testing activities take place, typically focused on exploratory testing. "Test strategy" is a higher-level plan that outlines the overall approach and objectives for testing within a project, rather than the specific activities. While "test type" provides the correct classification for a set of testing activities aimed at defined objectives, the other terms serve different roles within the broader context of testing.