1.   Filibusters used to be rare events, reserved for what its practitioners called issues of fundamental importance to a region of the country.

2.   Surf Reality features what its practitioners call alternative comedy, along with performance art and theater pieces.

3.   The philosophy behind the craft that practitioners call a science is actually quite simple.

4.   Yoga is commonly thought of as an activity designed to evoke a sense of serenity and what practitioners call mindfulness, a meditative focusing on the present moment.