A grouped set of data that is stored in a computer system and structured according to the DBMS used. This term is often used in the creation of websites.
CMS allowing to create and administer sites, also availability of special framework allows to develop web-applications. Quite often this term is used when creating a website.
Distributed Denial of Service attack or DDoS is a complex of mass actions, the purpose of which is to cause network congestion, resulting in the failure of the system (website or mobile application).
Description – a brief description of the page content. Displayed in search engine results under the title to inform visitors about what awaits them on the page site. Quite often this term is used when developing websites.