Belonging to now. Also a steady flow in one direction — both senses are about what is presently running.

Continuous movement that carries its own momentum. Flow is what motion feels like when nothing interrupts it.

Of the open sea — vast, deep, and continuous; a blue with distance in it.

What exceeds the space it was given. Overflow must be handled deliberately, or it is simply lost.

The great water — depth, tide, and horizon; where every river's telling ends and weather begins.

A disturbance travelling through a medium without carrying the medium with it. What moves is the pattern, not the water.