A diagram representing a flow or set of dynamic relationships in a system. / A flow chart.

A schematic representation of how the different stages in a process are interconnected.

(computing, Internet) A directory of web application files that work together to implement a user interface feature.

To alternately ebb and flow.

The flowing out and in of the tide. / (figuratively) A large flowing out and in.

(volcanology) A dense flow of volcanic ash, dust, rocks and debris that cascades at high speed down the slope of a volcano during an eruption.

(thermodynamics) An idealised fluid flow in which entropy remains constant throughout the flow, or along a particular streamline.

(physics) A form of irregular viscous flow in which the velocity and pressure of the fluid fluctuates at random in both time and space,

Alternative spelling of airflow

(physics) Any fluid flow in which movement is proportional to the applied force (above the yield value). / (geology) Any deformation caused by a sustained force.