users vote on the relevance of the source which affects whether it will a appear in future searches
Explanation
A search process is is an activity which is carried out by a person to search a certain information from the web pages through a website. It has various aspects which include the selected information is sent to the data base of the search engine which is to be indexed, automated websites builds lists of keywords and the pages containing the searched words are located.
User Acceptance Testing (UAT) is the testing done by end users who is going to use that application. In these testing they will test whether the application meets all the functional requirements of the end user. If it passed then only the application will move to the production. This will ensure that the application meets the user requirements before it put into the usage.