A currant is a type of fruit. They are like grapes. There are many types of edible currant, among others:

Redcurrant

A Redcurrant (...) is related to the Blackcurrant. They can be found growing in the wild in western Europe (France, Belgium, Netherlands, Germany and northern Italy).

Redcurrant berries

Whitecurrant

White currant berries are a bit smaller and sweeter than red currants. They are sometimes used to make "pink" jams and jellies (a mixture of white and red). The white currant is actually an albino cultivar of the red currant but is marketed as a different fruit.

White currant

Blackcurrant

Blackcurrant is a small, bitter-tasting fruit. It can be found in central and northern Europe and northern Asia.

Blackcurrant has a lot of vitamin C in it. Blackcurrant gets its name from its dark color. It is also used to make jelly, ice cream, and cordial. Blackcurrant is a popular flavor in the United Kingdom. Blackcurrants are also used in salads and in baking, similar to raisins.

Blackcurrant

Gooseberry

The gooseberry is a type of fruit. It has a greenish color. It looks like an ungrown clementine.

Cultivated Eurasian gooseberry

Source: wikipedia.org