If a liquid, gas, or electrical current flows somewhere, it moves there steadily and continuously.

If a number of people or things flow from one place to another, they move there steadily in large groups, usually without stopping.

If information or money flows somewhere, it moves freely between people or organizations.

If an emotion flows through someone, they feel it very intensely, often so that other people notice it.

If a quality or situation flows from something, it comes from it or results naturally from it.

If someone's words flow, they are spoken smoothly and continuously.

If someone's hair or clothing flows about them, it hangs freely and loosely.

If you say that something flows or that a place flows with it, you are indicating that there is a great deal of that thing in the place.

Someone who is in full flow is talking easily and continuously and seems likely to go on talking for some time.

If you say that an activity, or the person who is performing the activity, is in full flow, you mean that the activity has started and is being carried out with a great deal of energy and enthusiasm.

If you go with the flow, you let things happen or let other people tell you what to do, rather than trying to control what happens yourself.