Use it to indicate a direct cause-effect relationship between two events or situations.

Causal Link

The phrase can refer to both positive and negative outcomes.

Not Always Positive

Emphasizes that one event follows another, often as a consequence or result.

Refers to the physical placement of an item on the rear side of another.

Suggests that something is not immediately visible, being on the reverse side.

It simply points to location; there's no metaphorical meaning in this usage.

Describes how something is being physically carried by a living being.

Often suggests a traditional or laborious method of movement or transport.

Can also refer to being carried by people, often signifying a burden or effort.