Refers to a field of study in college or university you choose to focus on.

Academic Choice

Often used to mention the specific degree or qualification one is aiming for through their studies.

Degree Specification

Implies a level of commitment to a particular subject that requires extensive study and understanding.

Shows a high level of interest or passion in an activity or hobby, but not an academic field.

Indicates spending a significant amount of time on a particular interest.

Used more casually to describe interests outside of an academic environment.