What does it mean to 'explore' an idea?

To 'explore' an idea means to talk or think about it in detail, delving into its nuances, implications, and different aspects. This process involves analyzing the idea from various angles, considering its context, and potentially connecting it to other related concepts. It requires critical thinking and an openness to understanding the complexity of the topic.

The other options do not align with the meaning of 'explore' as effectively. Arguing against an idea implies a confrontational approach rather than an analytical one. Briefly mentioning it suggests a superficial treatment that does not allow for thorough understanding. Accepting it without question indicates a lack of critical engagement, which contrasts with the active inquiry involved in exploration. Thus, option A captures the essence of what it means to engage deeply with an idea.