A puddle
The collection of salt is called a salt pan or salt flat. This is an area where water has evaporated, leaving behind deposits of salt.
A small cluster of water forms can be called droplets.
collection of water
A small whirlpool is called a vortex. It is a swirling mass of water or air, often created by opposing currents or forces.
pöl
The gas state of H2O is called water vapour. However, it is not steam, as steam is a collection of small condensed water droplets.
Miniatures
You can not collect light.
the water is called brackish.
A collection of fish is called a school. If there is a group of fish traveling through the water, they are called a school of fish.
Shrubbery is a collection of small bushes called shrubs. A line of small bushes will be called shrubbery. This is popular in landscaping a yard.
The collection of salt is called a salt pan or salt flat. This is an area where water has evaporated, leaving behind deposits of salt.
A collection of water droplets suspended in the air is called a cloud. If the collection of water droplets is close to the ground it is called fog.
into a river which goes to a collection/storage
A small cluster of water forms can be called droplets.
At collection of stamps is refered to as a stamp collection. They are frequently kept in albums. Philately is the name for the study and collection of stamps.
A collection or group of ships is called a fleet. There are more specific terms for a group of ships. A substantial group of warships is called a naval fleet while a group of small ships is called a flotilla.