He recalls clearly his own early experiences with what he would come to call flow.

At zero to one-third bar suction, water moves through soil due to gravity; this is called saturated flow.

At higher suction, water movement is called unsaturated flow.

Over time, they start a rotational flow, called 'secondary flow'.

This is different to liquids and gases which move randomly, a process called flow.

A third option is called vertical flow, in which one or both fighters turn toward the vertical plane.

The reverse effect, generating a fluid flow by applying a potential difference, is called electroosmotic flow.

Many common law jurisdictions apply a concept called "flow through taxation" to partnerships.

This mysterious collective motion was called dark flow.

In February 2012 the site got another update with features called "flow", "stories", and "market".