Reading sub-skill refers to the well-planned reading approach which helps the learners to comprehend and perceive the meaning of the text effectively. There are different kinds of reading sub-skills and 'scanning' is one of them.Scanning It involves quickly glancing through the text to find out a specific piece of information. It is used when looking into a dictionary, invoices, catalogs, etc.It involves going through a text in search of a specific piece of information; such as searching for a specific name, date, word, phrase, figures, or percentage.For example, going through a text on how to apply for the post of general manager in a company. It is a reader-driven process and the text is processed at the surface level rather than at the deep structure level.Hence, it could be concluded that the above-mentioned reading is known as scanning.Additional InformationAnalytical reading: It refers to the process of analyzing the received information after reading the text to reach a specific conclusion.Skimming: It involves one going through the text to get its gist or central idea. All the insignificant words are avoided and the focus is on the meaning-bearing elementsCritical Reading: For readers who read a text non-critically, the text is merely a statement of facts. To a critical reader, a text gives a portrayal of facts from a unique point of view of the author. Therefore, a person critically reading a text is concerned with not only what a text says but how it portrays the subject matter.