Final answer:
The asterisk (*) represents the Wildcard operator in this context, allowing for variation and flexibility in search terms.
Step-by-step explanation:
The asterisk (*) represents the Wildcard operator in this context. In a search engine, using the asterisk allows for variation and flexibility in search terms. For example, entering the keyword redblue* would be interpreted as the words 'red' and 'blue' followed by any number of additional characters. This can be useful when you want to search for multiple variations or extensions of a word.