The item in question is known as a web search engine. These services will crawl websites and gather information about web pages to present to the searching user based on the search terms compared to the content of the webpage.
DescriptionNetwork topology is the arrangement of the elements of a communication network. Network topology can be used to define or describe the arrangement of various types of telecommunication networks, including command and control radio networks, industrial fieldbusses and computer networks.
Tabs are rectangular boxes found on top of your we browser. At the right of each of those tabs, you see a symbol written in 'x' (as shown in the picture). This is the one you should click to close an existing tab.
Answer:
inspecting equipment, structures, or material
performing general physical activities
getting information
Explanation: i just did it soooo :]
Cluster perhaps
is the answer