Inside Browser Data UI ⇒ Interface Browser Engine
→ Rendering (HTML & CSS) + JS Engine Network Timers HTML is a document ⇒ Node List (display interact) load file get raw bytes convert to a sequence of character tokenization (h1, p, html are taken into a separation memory) Portray Relation(parent, sibling, child) Generate Node List Create DOM ⇒ Document Object Modal CSS follow the same process (raw bytes, character, token, object, relation, modal)