What does the term 'marginal' refer to in the context of marginal analysis?

On a graph showing marginal benefit and marginal cost, what does the intersection point represent?

Which of the following best describes marginal benefit?

If consuming a fifth slice of pizza results in a marginal cost greater than the marginal benefit, what is the likely effect?

Why is marginal analysis significant in economic decision-making?

How can color coding be used in graphs to aid in understanding marginal analysis?

What happens to marginal benefit as more units of a good are consumed?

If consuming a sixth slice of pizza results in a marginal cost greater than the marginal benefit, what is the likely effect?

How does an increase in marginal cost affect the optimal consumption level?