ELI5: Explain Like I'm 5

Calais (Reuters product)

Calais is a product from Reuters. It is a kind of search engine that takes words or phrases from webpages and tries to find out what they mean. It does this by using computers and software that can understand English language and can figure out the meanings of words and phrases. This helps people find out what other people mean when they are talking online or in written form, like in webpages.