How does Google Analytics define a 'goal'?

In Google Analytics, a 'goal' is defined as a specific measurable objective that a website aims to achieve. This could include actions such as completing a purchase, signing up for a newsletter, filling out a contact form, or any other significant user interaction that contributes to business success. By setting up goals, businesses can track how well their site facilitates these desired actions, providing insights into user behavior and the overall effectiveness of marketing strategies.

The focus of goals is on, quantifying conversions and understanding user engagement in relation to specific business objectives, making option C the clear definition. The other choices relate to aspects of user engagement or content evaluation but do not encapsulate the comprehensive purpose of goals within Google Analytics. Goals are specifically tied to the measurable achievements of a website rather than broader metrics like social media engagement or content effectiveness.