Answer:
Examples are Ctrl, Alt, Fn, Alt Gr, Shift, Caps Lock, Tab, Scroll Lock, Num lock, Esc, Windows Key, Backspace, Enter...
Answer
Its for the purpose of maintenance and readability
Explanation
A presentation-oriented markup web application generates interactive web pages containing various types of markup language.
Markup is a language designed for the purposes of processing definition and presentation. It specifies code for formatting, both the layout and style, within a text file. Markup describes the structure while the styling is how it looks. it uses the code to specify the formatting which are called tags.
