Paid advertising to find a target audience according to specified parameters (age, gender, nationality…) in social networks. Quite often this term is used in targeting advertising.
Terms of Reference – a document that describes in detail all the tasks that need to perform in a particular job. Quite often this term is used when developing a website.
Header page which is displayed in search results, provides the user with brief information about the content of the page. Quite often this term is used in website development.